TR2024001187U5 - NEW GENERATION HYBRID RAM FILTER AND HEAT RECOVERY SYSTEM - Google Patents

Abstract

The invention relates to a heat recovery system used to recover the heat of the chimney waste hot air discharged by textile dyehouse stenter machines (29), steam and hot water boilers, ceramic and vitrified kilns, metal drying and heat treatment furnaces.

Description

DESCRIPTION NEW GENERATION HYBRID RAM FILTER AND HEAT RECOVERY SYSTEM Technical Field The invention is used to recover the heat of chimney waste hot air thrown by textile dyehouses stenter (stretching and drying) machines, steam and hot water boilers, ceramic and vitrified kilns, metal drying and heat treatment furnaces. It is related to a heat recovery system used for heat recovery. The invention is particularly concerned with a heat recovery system that provides energy savings in businesses by heating and using clean air and clean water through the heat of recovered waste hot air, and at the same time reduces the odor, TOC, VOC and oil in the flue gas below the legal limits and retains fibers and particles. It is relevant. State of the Art: As a result of heat treatments carried out in systems such as stretching and drying (RAM) machines, ceramic and vitrified kilns, metal drying and heat treatment furnaces, especially in textile dyehouses, waste gases containing toxic gases, chemicals, oil and particles are formed. These waste gases are discharged to the outside environment through the chimneys in the systems in question and mixed into the atmosphere. Direct transmission of waste gases to the atmosphere in this way poses a great danger to nature and human health due to the harmful components they contain. For this reason, various gas filtering systems are placed in the chimneys through which the waste gases are conveyed, thus preventing the transmission of harmful components in the waste gas to the atmosphere. Electrostatic filtering (ESF) systems can be given as an example of gas filtering systems frequently used today. In these systems, the particles in the gas are electrically charged by passing the waste gas through an electrical field, and when the charged particles are passed through plates with opposite charges, the particles are held to the plates in question as a result of the attracting effect of the opposite charges. However, in ESF systems, high current values are used to electrically charge the particles in the gas, and in the event of a possible electrical leakage or arc, severe fire situations may occur as a result of the ignition of oil and fiber particles in the waste gas or filtered. In addition, the system parts that provide electrical charging and filtering are made of metal materials, and under the influence of water, steam or humidity in the environment, these parts corrode, causing malfunctions or their useful life is quite short. This situation causes transaction costs to increase. In addition, filtering of electrically non-chargeable gas, vapor or colloidal components or chemicals in the waste gas cannot be achieved efficiently. For this reason, it causes odorous or harmful compounds to be released into the atmosphere. In the research conducted in the literature, document number U89084964 can be cited as an example of the known state of the technique. The mentioned document describes a radial structure filtering system that cleans the gas discharged from the chimney as a result of the combustion process. This system includes a radial structure filter that ensures the retention of particles in the gas transmitted through the chimney, which ensures the removal of waste gas, a dry washer that ensures the drying of the particles collected by the said filter, and a fan that helps to move the gas and pass it through the chimney and filter. Thanks to the multiple radial filtering chambers in the system in question, the particles in the gas are effectively separated and the harmful factors in the gas are reduced. However, with the radial structure filtering system in question, it is not possible to filter the components or chemicals in gas, vapor or colloidal form in the waste gas, and a solution cannot be obtained to prevent the components that cause odor or are harmful to health from being transmitted to the atmosphere. As a result, the existence of the above problems and the inadequacy of existing solutions necessitated a development in the relevant technical field. Purpose of the Invention The present invention is related to a new generation hybrid ram filter and heat recovery system that eliminates the disadvantages mentioned above and brings new advantages to the relevant technical field. The main purpose of the invention is to introduce a heat recovery system that provides energy savings in businesses by heating and using clean air and clean water through the heat of the recovered waste hot air. The aim of the invention is to introduce a heat recovery system that reduces odor, TOC, VOC and oil in flue gas below legal limits and retains fibers and particles. Another aim of the invention is to introduce a heat recovery system that ensures the constant presence of water in the system by performing the filtration process with water and thus eliminates the risk of fire. Another aim of the invention is to introduce a heat recovery system that condenses the water vapor on the waste gas thanks to the condensation of the system and thus gains higher energy by taking the latent heat of the steam. Another purpose of the invention is to provide a heat recovery system that enables fire intervention by automatically opening the automatic steam valves on the fire extinguishing line when the temperature meters reach the set fire temperature, thanks to the presence of temperature meters in all sections where the waste gas leaves the machine and comes to the system, goes inside the system and exits the system. to reveal the system. Another aim of the invention is to introduce a heat recovery system that uses aluminum profiles to increase the efficiency of the contact surface of the water and gas by retaining the impurities carried by the waste gas passing through the system with water, thus increasing the contact surface. Another purpose of the invention is the drop catcher, which consists of aluminum profiles to hold the water particles on it during the passage of the gas, which contains water vapor and water particles, called mist, when the waste gas coming out at the last point of the system comes into contact with water, and is used in condensation to prevent the release of these particles into the environment. The aim of the system is to introduce a heat recovery system that prevents the water particles and residues on the waste gas from being released to the outside environment. Another aim of the invention is to provide a heat recovery system that has a drop catcher screen system in which a special water retaining cloth is placed to retain water particles. Another aim of the invention is to introduce a heat recovery system in which zeolite is used instead of activated carbon for odor removal. Another aim of the invention is to produce a heat recovery system that provides more heat recovery and better cooling with a double-stage parallel exchanger system instead of a single exchanger at the system entrance. Another aim of the invention is to introduce a heat recovery system that has nozzles that form a water curtain and, thanks to these nozzles, allows the pollution to collapse by washing the gas while passing through it. Another aim of the invention is to provide a heat recovery system with a nozzle pump that allows ozone to diffuse more effectively and efficiently. Another aim of the invention is to introduce a heat recovery system that enables obtaining cold water required for more efficient condensation through a water cooler-chiller. Another aim of the invention is to introduce a heat recovery system that prevents the release of hot air into the environment by enabling the reuse of cleaned air. The invention is designed to fulfill all the purposes stated above and that can be derived from the detailed explanation; It is a heat recovery system used to recover the heat of the chimney waste hot air emitted by textile dyehouses stenter machines, steam and hot water boilers, ceramic and vitrified kilns, metal drying and heat treatment furnaces. - Particles on the waste gas coming from the stenter machine, Waste gas filter system, which traps dust particles and is automatically cleaned with steam in the waste gas cleaning steam line and then with that in the waste gas cleaning water line, - Fire prevention damper, which automatically closes in case of a fire in the stenter machine and prevents the fire from entering the system and damaging the system, - Waste It provides the heating of the air cleaned in the gas filter system, the condensation of the waste gas passing through the waste gas-clean air exchanger and the waste gas-clean water exchangers and the system, and its contact with the circulation water to separate the remaining particles, oils and chemicals from the gas after the waste gas filter system. Condensation exchanger equipped with drop-retaining aluminum profiles, drop-retaining fabric that prevents the water vapor and particles on the waste gas in the condensation exchanger from going to the outside environment, zeolite section that ensures retention of odor-giving components on the waste gas in the condensation exchanger, forming a water curtain within the condensation exchanger and preventing the air passing through it. Water curtain nozzle that cleans by washing, oil separator tank that separates the oil and chemicals in the water that is constantly circulated within the system, ozone generator that ensures the removal of odorous components on the waste gas, ozone pump that feeds the ozone produced in the ozone generator to the oil separator tank, the end near the system exit. The waste gas clean water exchanger, which is positioned in the section and reheats the cooled clean air coming out of the system to feed it back to the stenter machine, the hot air feedback line, which ensures that the air reheated in the waste gas clean water exchanger is directed by the outlet air direction valve and fed back to the stenter machine, oil It is related to the separator tank, circulation pump and plate heat exchanger, which ensures that the circulating water is brought to a low temperature, and the water cooling chiller group contains a double gas clean water exchanger that allows the partially cooled air coming out of the stenter machine to be cooled twice. The structural and characteristic features and all the advantages of the invention will be understood more clearly thanks to the figures given below and the detailed explanation written by making references to these figures. For this reason, the evaluation should be made taking these figures and detailed explanation into consideration. Figures to Help Understand the Invention Figure 1: Schematic view of the heat recovery system that is the subject of the invention. Explanation of Part References Fire extinguishing line NmmhwmAomemmhumaowmummhwN-io Direction flap Flue gas system inlet Flue gas cleaning steam line Flue gas cleaning water line Fire prevention damper Fresh air fan Automatic fresh air filter. Condensate circulation line. Drop catcher aluminum profile. Drop-retaining fabric. Zeolite section. Waste gas fan. Waste gas system exit chimney. Waste gas filter system. Waste gas-clean water exchanger. Condensation exchanger. Heated fresh air outlet. Clean water waste gas-clean water exchanger inlet. Oil separator tank. Recirculation pump . Plate heat exchanger. Soft water plate heat exchanger inlet. Ram-furnace waste gas fan. Oil collection tank. Cleaning water drainage connection. Stenter machine. Ozone exchanger . Waste gas clean water exchanger. Expansion tank. Water circulation pump. Water cooling chiller group. Water curtain nozzle pump. Exit air direction valve 38. Double gas clean water exchanger 39. Water curtain nozzles 40. Hot air feedback line 41. Ozone pump Detailed Description of the Invention In this detailed explanation, the preferred alternatives of the heat recovery system of the invention are only for a better understanding of the subject. It is explained as such and in a way that does not create any limiting effect. Figure 1 shows the schematic view of the heat recovery system subject to the invention. In the heat recovery system in question, the flue waste hot air discharged by the textile dyehouse stenter machine (29), steam and hot water boiler, ceramic and vitrified kilns, metal drying and heat treatment furnaces is thrown out through the stenter-kiln waste gas fan (26). . The air discharged from the said ram-oven's waste gas fan (26) is directed to the system through the direction flap (2) and the waste gas system inlet (3). The heat recovery system subject to the invention has a fire prevention damper (6) to protect the system by closing in case of fire. In case of a fire in the stenter machine (29) to which the heat recovery system is connected, the fire prevention damper (6) is automatically closed and the fire is prevented from entering the system and damaging the system. In case of a fire in the chimneys of the stenter machine (29), the fire extinguishing line (1) opens the automatic valves on it with the command it receives from the system and extinguishes the fire with the steam coming from the line. is kept and cleaned. Particles, dust, etc. on the waste gas coming from the stenter machine (29). Particles such as are kept in the waste gas filter system (16). The waste gas filter system (16) works automatically and cleans itself. It performs self-cleaning within the time period entered in the adjustment section of the automation program. The waste gas filter system (16) is automatically cleaned with steam in the waste gas cleaning steam line (4) and then with water in the waste gas cleaning water line (5). The waste generated during cleaning is sent to the drain via the cleaning water drainage connection (28). The cleaning water drainage connection (28) in question is the drainage connection that ensures that the waste water used in the self-cleaning of the system is sent to the treatment plant. The air cleaned in the waste gas filter system (16) is filtered by the clean air fan (7) and the automatic clean air filter (8) and heated by entering the waste gas-fresh air exchanger (17). The partially cooled air coming out of the stenter machine (29) enters the double gas clean water exchanger (38). The double gas clean water exchanger (38) in question was made in two pieces. Thus, the waste gas is cooled twice and provides more energy saving. As the gas cools more, impurities are released more quickly and more abundantly. Water taken from the expansion tank (32) and the water circulation pump (33) are fed to the secondary circuit of the double gas clean water exchanger (38). The heated water goes to the heated clean hot water tank flow line (9) and the waste gas at the exit to the clean water exchanger (31). The purpose here is to heat the passing cold gas. Partially cooled air enters the condensation exchangers (19) and as it passes through the drop-catching aluminum profiles (11) with increased surface, it releases its energy and is cleaned by the water coming to the surfaces. Condensation exchangers (19) condense the waste gas passing through the waste gas-clean air exchanger (17) and waste gas-clean water exchangers (18) and coming into the system, to separate the remaining particles, oil and chemicals from the gas after the waste gas filter system (16). It is the section that provides contact with the circulation water and is equipped with drop catcher aluminum profiles (11) with increased surface. In condensation exchangers (19), small particles and acids or components in colloidal form on the waste gas precipitate upon contact with water. Components that give odor to the gas are also kept in this section. The waste gas, which has partially lost its energy in the waste gas-clean air exchanger (17), comes to the waste gas-clean water exchangers (18). The clean soft water coming from the facility, which was first partially heated in the plate heat exchanger (24), is heated in the waste gas-clean water exchangers (18) and sent to the tank or another stenter machine (29) to be used in the facility. Clean water enters the waste gas-clean water exchangers (18) to be heated through the waste gas-clean water exchanger inlet (21). The condensation circulation line (10) is the line that ensures continuous circulation of water used to clean the waste gas coming to the heat recovery system. The waste gas clean water exchanger (31), positioned in the last section near the system exit, heats the cooled clean air leaving the system and feeds it back to the stenter machine (29), which is the heat source. Since the heated air is fed back into the system, energy savings are achieved. Since fossil fuels will be gradually reduced due to environmental pollution and the use of solid fuels will be banned after a while, the heating process will now be done with electricity. Since there will be no waste flue combustion gases in electrically heated systems, the clean air released will be cleaned and reused. Thus, flueless heating systems will be used. The clean air coming out of the system is heated again in the waste gas clean water exchanger (31), the exit is directed by the air direction flap (37) and fed back to the stenter machine (29) via the hot air feedback line (40). The water curtain nozzles (39) located in the condensation exchangers (19) mutually form a water curtain. The air passing through the water curtain nozzles (39) is washed and cleaned and impurities settle. Water curtain nozzles (39) are fed by the water curtain circulation line (36). Since pressurized water is required for the water curtain nozzles (39) to form a water curtain, the water curtain nozzle pump (35) sends water to the water curtain nozzles (39) via the water curtain circulation line (36). This cycle repeats endlessly as long as the system operates. There are water droplets on the air passing through the water curtain nozzles (39). As the air passes through the drop catcher aluminum profiles (11), it leaves most of the droplets on it. Then, it contacts the drip catcher fabrics (12) and leaves water particles. Afterwards, the air enters the zeolite section (13) where the zeolites are located, and the total organic carbon (TOC) and volatile organic carbon (VOC) on the gas are retained and prevented from going to the outside environment. The cooled and cleaned air enters the waste gas clean water exchanger (31) again. The air is heated by the water drawn from the double clean gas clean water exchanger (38) at the inlet and the water circulation pump (33) from the heated expansion tank (32). Heated clean air is sent to the waste gas system outlet chimney (15) with the help of the waste gas fan (14) and is directed to the stenter machine (29) via the outlet air direction flap (37). Hot air is allowed to enter the stenter machine (29) via the hot air feedback line (40). The said waste gas fan (14) ensures that the cooled, filtered and cleaned gas entering the system is sent to the external environment. The waste gas fan (14) works synchronously with the fans on the stenter machines (29). If the speed(s) of the fan(s) on the stenter machine (29) increases, it increases its speed; if it decreases, it decreases its own speed. Thus, it ensures that the internal pressure of the stenter machine (29) or ovens is balanced. Thus, it prevents the machine from stopping and operating inefficiently. Partially hot water, separated into phases in the oil separator tank (22), enters the primary circuit of the plate heat exchanger (24) with the help of the circulation pump (23). Cold water from the water cooling chiller group (34) enters the secondary circuit of the plate heat exchanger (24), cools the water and is fed back into the system as cooled. In order to break down the odorous compounds dissolved in water and reduce the odor, the ozone produced in the ozone generator (30) is fed to the oil separator tank (22) with the help of the ozone pump (41). While the ozone pump (41) passes water through the line at high pressure, a vacuum is created and the ozone gas goes to the oil separator tank (22) in a better way. Since the pressurized oil is distributed homogeneously in the separator tank (22), the efficiency increases. The soft water plate heat exchanger inlet (25) allows clean soft water coming from the facility to enter the plate heat exchanger (24). Concentrated oil and chemicals coming from the oil separator tank (22) are collected in the oil collection tank (27) and sent to commercial recycling facilities. The oil separator tank (22) ensures the separation of oil and chemicals in the water continuously circulated within the system. The oil and chemicals on the gas, according to the density difference principle, the less dense oil and chemicals collect on the water, and the water remains in the lower phase. The discs in the oil separator tank (22) are constantly rotating. The oils adhering to the disc come to the scraper at some point, where they are scraped and transferred to the concentrated collection section. The disc was cleaned and oil and chemicals were separated. The ozone generator (30) was connected to the ozone pump (41) with a venturi. While the ozone pump (41) circulates the water, it creates a vacuum in the venturi and the ozone gas coming out of the ozone generator (30) is drawn very strongly. Since the ozone pump (41) delivers the ozone it has drawn from the ozone generator (30) to the oil separator tank (22) with the water whose pressure it has increased, it provides a better and more homogeneous distribution by giving ozone gas at a higher pressure. Since the colder the waste gas or waste air in the system, the better it will be cleaned, passing the water circulating through the oil separator tank (22), circulation pump (23) and plate heat exchanger (24) through the secondary circuit of the plate heat exchanger (24) to make it cooler and It is ensured that it is brought to very low temperatures with the help of the water cooling chiller group (34).TR

Claims (1)

1.STEMS. It is a heat recovery system used to recover the heat of the chimney waste hot air emitted by textile dyehouse stenter machines (29), steam and hot water boilers, ceramic and vitrified kilns, metal drying and heat treatment furnaces, and its feature is; The waste gas filter system (16), which retains the particles and dust particles on the waste gas coming from the stenter machine (29) and is automatically cleaned with steam in the waste gas cleaning steam line (4) and then with the steam in the waste gas cleaning water line (5), is used in the stenter machine ( 29) fire prevention damper (6), which automatically closes in case of fire and prevents fire from entering the system and damaging the system, waste gas-clean air exchanger (17) that provides heating of the air cleaned in the waste gas filter system (16) and waste gas-clean water The condensation exchanger (19), which provides the condensation of the waste gas passing through the exchangers (18) and coming into the system, and its contact with the circulation water to separate the remaining particles, oils and chemicals from the gas after the waste gas filter system (16), and is equipped with drop catcher aluminum profiles (11) with increased surface. ), drop retaining fabric (12) that prevents water vapor and particles on the waste gas in the condensation exchanger (19) from going to the outside environment, zeolite section (13) that ensures the retention of odorous compounds on the waste gas in the condensation exchanger (19), condensation exchanger (19). ) the water curtain nozzle (39) which creates a water curtain and cleans the air passing through it, the oil separator tank (22) which ensures the separation of oil and chemicals in the water continuously circulated within the system, the ozone produced in the generator (30) which removes the odorous compounds on the waste gas. Ozone pump (41), which feeds ozone to the oil separator tank (22), waste gas clean water exchanger (31), which is positioned in the last section near the system exit and heats the cooled clean air coming out of the system to feed it back to the stenter machine (29), - Hot air feedback line (40), which ensures that the reheated air in the waste gas clean water exchanger (31) is directed by the outlet air direction flap (37) and fed back to the stenter machine (29), - oil separator tank (22), circulation pump (23). and the water cooling chiller group (34), which ensures that the water circulating through the plate heat exchanger (24) is brought to a low temperature, and - the double gas clean water exchanger (38), which ensures that the partially cooled air coming out of the stenter machine (29) is cooled twice. It is a heat recovery system in accordance with claim 1, and its feature is; It contains a condensation circulation line (10) that ensures a continuous circulation of the water used to clean the waste gas coming to the said heat recovery system. It is a heat recovery system in accordance with claim 1, and its feature is; It contains a water curtain circulation line (36) that feeds the said water curtain nozzles (39). It is a heat recovery system in accordance with claim 1, and its feature is; The said water curtain (39) contains a water curtain nozzle pump (35) that provides pressurized water to create a water curtain. TR