CN111229746A - Chemical cleaning process for wall-hanging furnace system - Google Patents
Chemical cleaning process for wall-hanging furnace system Download PDFInfo
- Publication number
- CN111229746A CN111229746A CN202010116239.0A CN202010116239A CN111229746A CN 111229746 A CN111229746 A CN 111229746A CN 202010116239 A CN202010116239 A CN 202010116239A CN 111229746 A CN111229746 A CN 111229746A
- Authority
- CN
- China
- Prior art keywords
- wall
- water
- cleaning
- furnace
- flushing
- 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
Links
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
- B08B9/0321—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B08—CLEANING
- B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
- B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto
- B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
- B08B9/027—Cleaning the internal surfaces; Removal of blockages
- B08B9/032—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
- B08B9/0321—Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid
- B08B9/0325—Control mechanisms therefor
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Cleaning By Liquid Or Steam (AREA)
Abstract
The invention discloses a chemical cleaning process for a wall-hanging furnace system, relates to the technical field of wall-hanging furnace cleaning, and aims to solve the technical problem that various dirt formed by long-term operation of the conventional wall-hanging furnace affects the wall-hanging furnace system, and the chemical cleaning process comprises the following steps: starting a wall-mounted furnace, testing the machine, draining water of the wall-mounted furnace, selecting and disassembling a disassembly point of the wall-mounted furnace, connecting a pipeline, washing with primary water, washing with a chemical cleaning agent, washing with secondary water, adding a protective agent, and testing to recover the original shape; the chemical cleaning agent cleaning method comprises floor heating system chemical cleaning agent cleaning and full system chemical cleaning agent cleaning carried out by connecting a hot water pipeline in series, and has the advantage of thorough cleaning.
Description
Technical Field
The invention relates to the technical field of wall-mounted furnace cleaning, in particular to a wall-mounted furnace system chemical cleaning process for cleaning a wall-mounted furnace.
Background
With the rapid advance of 'changing coal into clean energy', the wall-hanging stove industry is confronted with new development opportunities in China, and the rapid development of the wall-hanging stove heating industry is greatly promoted. According to statistics, in 2017, the sales volume (without export and substitute) of the gas wall hanging furnace is 450.8 thousands, and the increase is 171% on a same scale.
In the whole wall-mounted furnace system, water is a medium for transferring heat and is ubiquitous in the wall-mounted furnace, the pipeline, the water separator and the external heat exchange equipment. The water scale generated by calcium and magnesium ions in the water after the heating system is operated is heated, and metal corrosion substances and mixed sludge generated by microorganisms are continuously accumulated on the inner walls of the wall-mounted furnace, the pipeline, the water separator and the external heat exchange equipment, so that the heat exchange efficiency is greatly reduced, the energy consumption is increased, and the household expenditure is further increased. These increased energy consumptions can further let the hanging stove get into overload running state, and the operation of hanging stove can increase the fault rate under this state, and gas hanging stove stability and security worsen, and indoor temperature reduces the comfort level and obviously descends, and the emission begins to exceed standard, the condition such as life greatly shortens.
In order to solve the problem that various dirt formed by long-term operation of the wall-hanging stove affects a wall-hanging stove system, the wall-hanging stove system needs to be effectively cleaned.
Disclosure of Invention
The invention aims to: the invention provides a chemical cleaning process for a wall-hanging furnace system, which aims to solve the technical problem that various dirt formed by long-term operation of the existing wall-hanging furnace affects the wall-hanging furnace system.
The invention specifically adopts the following technical scheme for realizing the purpose:
step 1: starting a wall-mounted furnace for testing;
step 2: draining water from the wall-mounted boiler;
and step 3: selecting and disassembling disassembly points of the wall-mounted furnace;
and 4, step 4: connecting a pipeline, and connecting the bidirectional circulating cleaning machine with the wall-mounted furnace system;
and 5: washing with primary water
Before flushing, a cleaning machine needs to be started to carry out water pumping and pressure testing, whether the whole cleaning system has a water leakage phenomenon is checked, and under the condition that the water leakage phenomenon is confirmed, a slime stripping agent is added into the cleaning system to carry out the next operation;
the forward circulation flushing takes 5 minutes, and the reverse circulation flushing takes 5 minutes.
After the back washing is finished, water washing is carried out, the end point is that the effluent liquid in each pipeline is clean water, and the purpose of water washing is to discharge dirt cleaned by the slime stripping agent in the system to prepare for deep cleaning by a cleaning agent in the next step;
step 6: cleaning with a chemical cleaning agent, wherein the cleaning with the chemical cleaning agent comprises cleaning with the chemical cleaning agent for the floor heating system and cleaning with the chemical cleaning agent for the whole system by connecting a hot water pipeline in series;
cleaning with a chemical cleaning agent for the floor heating system: and (3) adjusting the circulation mode to be a positive circulation mode, opening the wall-mounted furnace for heating, adding a special cleaning agent for the wall-mounted furnace when the water temperature is heated to 30 ℃, measuring the pH value, adjusting the pH value to be between 2 and 3, and closing the wall-mounted furnace when the circulating water temperature reaches about 35 ℃. After the wall-mounted furnace is closed, the circulation mode is switched to reverse circulation for back flushing, the back flushing time is generally 10-15 minutes, and if the wall-mounted furnace system is dirty, the flushing time can be properly prolonged.
The series hot water pipeline is used for cleaning the whole system with a chemical cleaning agent: the circulation mode is adjusted to be a positive circulation mode, the wall-mounted furnace is opened to heat, the wall-mounted furnace is closed after the circulation water temperature reaches about 40 ℃, the pH value is measured, the pH value is adjusted to be between 2 and 3, the circulation mode is adjusted to be a reverse circulation mode after the wall-mounted furnace is closed, the wall-mounted furnace is connected with a hot water pipeline to carry out whole-system cleaning, a hot water faucet is opened at any time to carry out drainage and flushing during cleaning until all the hot water pipelines recover to a normal flow speed, and the process is finished.
And 7: secondary water flushing
And flushing the cleaned pipelines with tap water, flushing one pipeline, and flushing all pipelines until the water quality becomes clear, and finishing the cleaning when the PH test reaches the PH value of the tap water.
And 8: adding protective agent
Because the metal surface activity in the wall-mounted boiler system after chemical cleaning is higher, and the water left in the floor heating system of the wall-mounted boiler after the wall-mounted boiler system is cleaned is tap water, the wall-mounted boiler system is prevented from being corroded by tap water. The wall-hanging furnace system special protective agent is required to be added, the protective agent contains a passivating agent, a water softening agent and a bacteriostatic agent, the water softening and bacteriostatic treatment can be realized while the wall-hanging furnace system is passivated, and the scaling rate in the later wall-hanging furnace use process can be greatly reduced to maintain the long-term and efficient operation of the wall-hanging furnace.
And step 9: and (3) all pipelines connected with the wall-mounted furnace system are dismantled to restore the wall-mounted furnace, water is supplied, the wall-mounted furnace is tested and operated, and after all the systems of the wall-mounted furnace are normally operated, the radiator in the toilet is exhausted.
Step 10: and finishing the whole wall-hanging furnace chemical cleaning process.
The invention has the following beneficial effects:
1. the wall-mounted boiler cleaning agent has a simple structure, and chemical cleaning is an effective method for cleaning a wall-mounted boiler system, so that development and research on a wall-mounted boiler chemical cleaning process are carried out.
2. Because the metal surface activity in the wall-mounted boiler system after chemical cleaning is higher, and the water left in the floor heating system of the wall-mounted boiler after the wall-mounted boiler system is cleaned is tap water, the wall-mounted boiler system is prevented from being corroded by tap water. The special protective agent for the wall-hanging furnace system is added, the protective agent contains a passivating agent, a water softening agent and a bacteriostatic agent, the water softening and bacteriostatic treatment can be realized while the wall-hanging furnace system is passivated, and the scaling rate in the later wall-hanging furnace use process can be greatly reduced to maintain the long-term and efficient operation of the wall-hanging furnace.
Detailed Description
The following examples further describe the invention in detail in order that those skilled in the art may better understand the invention.
Example 1
The embodiment provides a chemical cleaning process for a wall-hanging furnace system, which comprises the following steps:
step 1: the method comprises the following steps that a wall-mounted furnace is started to test, whether the wall-mounted furnace operates normally is mainly checked, if the wall-mounted furnace operates abnormally, a owner is timely informed of the abnormal phenomenon, and a maintenance worker is asked to remove a fault and then perform the next operation;
step 2: draining the wall-mounted boiler, wherein water in the wall-mounted boiler is mainly drained to prepare for the next operation;
and step 3: the method comprises the following steps of (1) selecting and disassembling a disassembly point of the wall-mounted furnace, and generally selecting a ground heating return pipe of the wall-mounted furnace;
and 4, step 4: connecting a pipeline, and connecting the bidirectional circulating cleaning machine with the wall-mounted furnace system;
and 5: washing with primary water
Before flushing, a cleaning machine needs to be started to carry out water pumping and pressure testing, whether the whole cleaning system has a water leakage phenomenon is checked, and under the condition that the water leakage phenomenon is confirmed, a slime stripping agent is added into the cleaning system to carry out the next operation;
the forward circulating flushing time is 5 minutes, and if the wall-mounted furnace system is dirty, the flushing time can be properly increased to 10-20 minutes;
the reverse circulation flushing needs 5 minutes, and if the wall-mounted furnace system is dirty, the flushing time can be properly increased to 10-20 minutes;
after the back washing is finished, water washing is carried out, the end point is that the effluent liquid in each pipeline is clean water, and the purpose of water washing is to discharge dirt cleaned by the slime stripping agent in the system to prepare for deep cleaning by a cleaning agent in the next step;
step 6: cleaning with a chemical cleaning agent, wherein the cleaning with the chemical cleaning agent comprises cleaning with the chemical cleaning agent for the floor heating system and jumping the circulation mode to reverse circulation after the hanging furnace is closed;
cleaning with a chemical cleaning agent for the floor heating system: and (3) adjusting the circulation mode into a positive circulation mode, opening the wall-mounted furnace for heating, adding a special cleaning agent for the wall-mounted furnace when the water temperature is heated to 30 ℃, measuring the pH value, adjusting the pH value to be between 2 and 3, and closing the wall-mounted furnace when the circulating water temperature reaches about 35 ℃. After the wall-mounted furnace is closed, the circulation mode is switched to reverse circulation for back flushing, the back flushing time is generally 10-15 minutes, and if the wall-mounted furnace system is dirty, the flushing time can be properly prolonged.
The series hot water pipeline is used for cleaning the whole system with a chemical cleaning agent: the circulation mode is adjusted to be a positive circulation mode, the wall-mounted furnace is opened to heat, the wall-mounted furnace is closed after the circulation water temperature reaches about 40 ℃, the pH value is measured, the pH value is adjusted to be between 2 and 3, the circulation mode is adjusted to be a reverse circulation mode after the wall-mounted furnace is closed, the wall-mounted furnace is connected with a hot water pipeline to carry out whole-system cleaning, a hot water faucet is opened at any time to carry out drainage and flushing during cleaning until all the hot water pipelines recover to a normal flow speed, and the process is finished.
And 7: secondary water flushing
And flushing the cleaned pipelines with tap water, flushing one pipeline, and flushing all pipelines until the water quality becomes clear, and finishing the cleaning when the PH test reaches the PH value of the tap water.
And 8: adding protective agent
Because the metal surface activity in the wall-mounted boiler system after chemical cleaning is higher, and the water left in the floor heating system of the wall-mounted boiler after the wall-mounted boiler system is cleaned is tap water, the wall-mounted boiler system is prevented from being corroded by tap water. The wall-hanging furnace system special protective agent which is independently developed needs to be added, the protective agent contains a passivating agent, a water softening agent and a bacteriostatic agent, the wall-hanging furnace system can be passivated, simultaneously water softening and bacteriostatic treatment can be realized, and the scale formation rate in the later wall-hanging furnace use process can be greatly reduced to maintain the long-term and efficient operation of the wall-hanging furnace.
And step 9: and (3) all pipelines connected with the wall-mounted furnace system are dismantled to restore the wall-mounted furnace, water is supplied, the wall-mounted furnace is tested and operated, and after all the systems of the wall-mounted furnace are normally operated, the radiator in the toilet is exhausted.
Step 10: and finishing the whole wall-hanging furnace chemical cleaning process.
The above description is only a preferred embodiment of the present invention, and not intended to limit the present invention, the scope of the present invention is defined by the appended claims, and all equivalent changes made by applying the contents of the description of the present invention should be embraced in the scope of the present invention.
Claims (5)
1. The chemical cleaning process of the wall-hanging furnace system is characterized by comprising the following steps:
step 1: starting a wall-mounted furnace for testing;
step 2: draining water from the wall-mounted boiler;
and step 3: selecting and disassembling disassembly points of the wall-mounted furnace;
and 4, step 4: connecting a pipeline, and connecting the bidirectional circulating cleaning machine with the wall-mounted furnace system;
and 5: washing with primary water
Before flushing, a cleaning machine is required to be started to carry out water pumping and pressure testing, whether the whole cleaning system has a water leakage phenomenon is checked, under the condition that no water leakage exists, a slime stripping agent is added into the cleaning system to carry out forward circulating flushing and then reverse circulating flushing, after the back flushing is finished, water flushing is carried out until effluent liquid in each pipeline is clear water, and then the next step is carried out;
step 6: the chemical cleaning agent washs, and the chemical cleaning agent washs and establishes ties the hot water line and carries out the cleaning of full system chemistry cleaning agent including the cleaning of underfloor heating system chemistry cleaning agent:
and 7: secondary water flushing
After the treatment of the step 6, washing each cleaned pipeline with tap water, wherein one pipeline is washed, all pipelines are washed clean until the water quality becomes clear, and the next step is carried out after the cleaning is finished when the PH test reaches the PH of the tap water;
and 8: adding a protective agent, wherein the protective agent contains a passivating agent, a water softener and a bacteriostatic agent;
and step 9: after the treatment of the step 8, removing all pipelines connected with the wall-mounted furnace system to restore the wall-mounted furnace to the original state, feeding water, opening the test wall-mounted furnace for test operation, and exhausting the heating radiators in the washroom after all the systems of the wall-mounted furnace run normally;
step 10: and finishing the chemical cleaning process of the wall-hanging furnace.
2. The wall-hanging stove system chemical cleaning process as claimed in claim 1, wherein in step 3, the water return pipe of the floor heating of the wall-hanging stove is selected as a disassembly point of the wall-hanging stove.
3. The chemical cleaning process for the wall-hanging furnace system as claimed in claim 1, wherein in the step 5, the forward circulating flushing takes 5 minutes, and if the wall-hanging furnace system is dirty, the flushing time can be properly increased to 10-20 minutes; the reverse circulation flushing needs 5 minutes, and if the wall-hanging furnace system is dirty, the flushing time can be properly increased to 10-20 minutes.
4. The wall-hanging stove system chemical cleaning process as claimed in claim 1, wherein in step 6, the floor heating system chemical cleaning agent is used for cleaning: adjusting the circulation mode into a positive circulation mode, opening the wall-mounted furnace for heating, adding a special cleaning agent for the wall-mounted furnace when the water temperature is heated to 30 ℃, measuring the pH value, adjusting the pH value to be between 2 and 3, and closing the wall-mounted furnace when the circulating water temperature reaches about 35 ℃; and (4) after the wall-mounted furnace is closed, jumping the circulation mode to reverse circulation for back flushing, wherein the back flushing time is generally 10-15 minutes.
5. The wall-hanging stove system chemical cleaning process as claimed in claim 1, wherein in step 6, the hot water pipeline is connected in series for full-system chemical cleaning agent cleaning: the circulation mode is adjusted to be a positive circulation mode, the wall-mounted furnace is opened to heat, the wall-mounted furnace is closed after the circulation water temperature reaches about 40 ℃, the pH value is measured, the pH value is adjusted to be between 2 and 3, the circulation mode is adjusted to be a reverse circulation mode after the wall-mounted furnace is closed, the wall-mounted furnace is connected with a hot water pipeline to carry out whole-system cleaning, a hot water faucet is opened at any time to carry out drainage and flushing during washing until all the hot water pipelines recover to a normal flow speed, and the process is finished.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010116239.0A CN111229746A (en) | 2020-02-25 | 2020-02-25 | Chemical cleaning process for wall-hanging furnace system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010116239.0A CN111229746A (en) | 2020-02-25 | 2020-02-25 | Chemical cleaning process for wall-hanging furnace system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111229746A true CN111229746A (en) | 2020-06-05 |
Family
ID=70876635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010116239.0A Pending CN111229746A (en) | 2020-02-25 | 2020-02-25 | Chemical cleaning process for wall-hanging furnace system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111229746A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112808689A (en) * | 2021-01-06 | 2021-05-18 | 龙岩烟草工业有限责任公司 | Cleaning method of cigarette feeding equipment |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003251291A (en) * | 2002-03-06 | 2003-09-09 | Roki Techno Co Ltd | Method for sterilizing/cleaning water supply pipeline |
| CN201688748U (en) * | 2010-02-09 | 2010-12-29 | 彭迪昆 | Special cleaning device for wall-hanging boiler |
| CN104841674A (en) * | 2014-02-17 | 2015-08-19 | 东莞新科技术研究开发有限公司 | Method for cleaning cooler pipeline |
| CN105396846A (en) * | 2015-11-25 | 2016-03-16 | 江苏新美星包装机械股份有限公司 | Device for realizing forward and reverse CIP of UHT system |
| CN109516593A (en) * | 2018-12-03 | 2019-03-26 | 天津普行科技有限公司 | A kind of automation dosing filtration system |
| CN209918493U (en) * | 2018-11-27 | 2020-01-10 | 安徽三安气体有限公司 | Pipeline cleaning device |
-
2020
- 2020-02-25 CN CN202010116239.0A patent/CN111229746A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003251291A (en) * | 2002-03-06 | 2003-09-09 | Roki Techno Co Ltd | Method for sterilizing/cleaning water supply pipeline |
| CN201688748U (en) * | 2010-02-09 | 2010-12-29 | 彭迪昆 | Special cleaning device for wall-hanging boiler |
| CN104841674A (en) * | 2014-02-17 | 2015-08-19 | 东莞新科技术研究开发有限公司 | Method for cleaning cooler pipeline |
| CN105396846A (en) * | 2015-11-25 | 2016-03-16 | 江苏新美星包装机械股份有限公司 | Device for realizing forward and reverse CIP of UHT system |
| CN209918493U (en) * | 2018-11-27 | 2020-01-10 | 安徽三安气体有限公司 | Pipeline cleaning device |
| CN109516593A (en) * | 2018-12-03 | 2019-03-26 | 天津普行科技有限公司 | A kind of automation dosing filtration system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112808689A (en) * | 2021-01-06 | 2021-05-18 | 龙岩烟草工业有限责任公司 | Cleaning method of cigarette feeding equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104406452B (en) | The cleaning method of nickel heat exchanger incrustation scale | |
| CN101109088A (en) | Technique for cleaning acid dirty of acid reactivating machine group inner loop type pipeline | |
| CN104233329A (en) | Chemical cleaning method of heat exchanger | |
| CN111229746A (en) | Chemical cleaning process for wall-hanging furnace system | |
| CN110487108A (en) | A kind of compound cleaning method of tubular heat exchanger | |
| CN207866096U (en) | A kind of full-automatic tube brush condenser on-line cleaning system | |
| CN101929588B (en) | Corrosion-resistant and scale-resistant regeneration treatment construction method for central air-conditioning water system | |
| CN103915950A (en) | Cleaning technology of generator rotor water cooling system | |
| CN210833227U (en) | Descaling device of heat exchanger | |
| CN102425778A (en) | Process of carrying out low-temperature chemical cleaning passivation on thermal power plant boiler by utilizing EDTA (Ethylene Diamine Tetraacetic Acid) | |
| CN110657702A (en) | Brush type online cleaning system device | |
| CN106871707A (en) | 7.63m coke oven transverse pipe initial cooler purging systems and cleaning method | |
| CN215064014U (en) | Heat supply unit core heat exchanger inner wall incrustation scale automated inspection and belt cleaning device | |
| CN111721153B (en) | Waste water waste heat recovery system, preheating heat exchanger automatic decontamination device and automatic decontamination method | |
| CN212512684U (en) | Full-automatic on-line cleaning device for plate heat exchanger for heat supply network system | |
| CN210036418U (en) | Online self-cleaning heat exchange device with unpick and wash free function | |
| CN109708519B (en) | Plate type heat exchanger dirt resistance on-line monitoring and automatic cleaning system | |
| CN103851953A (en) | Independent mini-flow circulation type chemical descaling method of tubular heat exchanger | |
| CN107401858A (en) | Source of sewage self-cleaning dry evaporator and control method | |
| CN201688748U (en) | Special cleaning device for wall-hanging boiler | |
| RU2109244C1 (en) | Method of removal of deposits from internal surface of hot-water heating system and device intended for its realization | |
| CN207716401U (en) | A kind of Vaporizing cooling drainage | |
| CN205373104U (en) | Solar water heater hinders dirty integrated device | |
| CN111256516A (en) | Online cleaning method for open-type circulating condenser | |
| CN211445387U (en) | Water treatment device of direct current steam boiler |
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: 20200605 |