RCO catalytic combustion waste gas treatment equipment

Abstract

The RCO catalytic combustion waste gas treatment equipment comprises a heat storage chamber, a catalytic reaction chamber and a heat exchanger and further comprises a front-end pretreatment device, the front-end pretreatment device comprises a device shell, a filter screen plate and an absorption part, the device shell is detachably installed at the front end of the heat storage chamber, and the filter screen plate and the absorption part are arranged in the device shell; the absorption part comprises a spraying pipeline and a storage box, the storage box is connected to the bottom of the device shell, a water pump is arranged in the storage box, and the spraying pipeline is connected with the water pump and the spraying head; and an observation window is arranged on the catalytic reaction chamber. Particulate matters contained in the waste gas are firstly filtered to prevent the particulate matters from being deposited on the surface of a catalyst, then toxic compounds contained in the waste gas are sprayed and absorbed to prevent the catalyst from being poisoned and inactivated, the structures of the filter screen plate and the absorption part are simple, and compared with the use of a spray tower, the cost is lower; and when the physical states of sintering, crushing, carbon deposition and the like of the catalyst are changed, the change can be found and replaced in time.

Description

Technical Field

[0001] This utility model is specifically an RCO catalytic combustion waste gas treatment device. Background Technology

[0002] RCO catalytic combustion equipment mainly consists of a regenerator, a catalytic reaction chamber, and a heat exchanger. Catalytic combustion equipment is widely used in the treatment of organic waste gas. Although it is very effective in waste gas treatment, even the best equipment has its limitations. Below, we will analyze the limitations of catalytic combustion equipment:

[0003] 1. The exhaust gas must not contain substances that can cause catalyst poisoning and deactivation, such as dust and lead compounds. Existing front-end pretreatment methods generally use spray towers, but this increases costs significantly.

[0004] 2. If the particulate matter in the exhaust gas is not filtered, it will deposit on the surface of the catalyst, affecting its activity;

[0005] 3. Catalysts may become deactivated during use, undergoing physical changes such as sintering, breakage, and carbon buildup. If not replaced in time, this will affect the effectiveness of waste gas treatment and cause environmental pollution. Utility Model Content

[0006] In view of the above, this utility model provides an RCO catalytic combustion exhaust gas treatment device to solve the problems mentioned in the background art.

[0007] The technical solution adopted by this utility model to solve its technical problem is: an RCO catalytic combustion waste gas treatment device, including a heat storage chamber, a catalytic reaction chamber, a heat exchanger, and a front-end pretreatment device. The front-end pretreatment device includes a device shell, a filter screen for filtering particulate matter, and an absorption component for absorbing harmful substances. The device shell is detachably installed at the front end of the heat storage chamber and transports waste gas through a gas transmission pipeline. The filter screen and absorption component are disposed inside the device shell, so that the waste gas enters the heat storage chamber and the catalytic reaction chamber after pretreatment by the filter screen and absorption component; the absorption component includes... The device includes a spray pipe and a storage tank for storing the spray liquid. The storage tank is connected to the bottom of the device housing. A water pump is installed inside the storage tank to inject the spray liquid into the spray pipe for transportation. The inlet end of the spray pipe is connected to the water pump, and the outlet end of the spray pipe is located inside the device housing. Several spray heads for absorbing harmful substances are distributed on the outlet end of the spray pipe. The spray heads spray and absorb harmful substances in the exhaust gas, which is then discharged into the heat storage chamber and the catalytic reaction chamber. An observation window is provided on the side of the catalytic reaction chamber facing the catalyst for observing changes in the physical state of the catalyst.

[0008] Furthermore, the outer casing of the device is provided with a plurality of mounting slots for mounting the filter screen, and the inside of the outer casing is provided with a sealing groove that matches the mounting slots, so that the filter screen is inserted into the mounting slots and fixed in the sealing groove.

[0009] Furthermore, there are no fewer than two mounting grooves and sealing grooves, and no fewer than two corresponding filter screens are inserted.

[0010] Furthermore, a sealing strip is provided around the mounting groove to ensure that the filter screen is in close contact with the mounting groove and to prevent exhaust gas leakage.

[0011] Furthermore, the connection between the storage tank and the bottom of the device housing is provided with several openings for recovering the sprayed liquid, allowing the sprayed liquid to flow into the storage tank for recycling.

[0012] Furthermore, a monitoring camera is installed at the upper end of the observation window. The monitoring camera can be wirelessly connected to the display terminal in the monitoring room to monitor the physical state changes of the catalyst.

[0013] Furthermore, it also includes a spray switch for regulating the operation of the water pump, the spray switch being mounted on the housing of the device.

[0014] The RCO catalytic combustion exhaust gas treatment equipment of this utility model has a device shell, and a filter screen and absorption component are installed inside the device shell. First, the particulate matter contained in the exhaust gas is filtered to prevent the particulate matter from depositing on the catalyst surface. Then, the toxic compounds contained in the exhaust gas are sprayed and absorbed to prevent the catalyst from being poisoned and deactivated. The filter screen and absorption component have a simple structure and are less expensive than the use of a spray tower.

[0015] An observation window is provided on the side of the catalytic reaction chamber facing the catalyst installation, and a monitoring camera is provided to monitor changes in the physical state of the catalyst. When changes in the physical state of the catalyst occur, such as sintering, breakage, or carbon deposition, it can be detected and replaced in time to avoid environmental pollution from exhaust gas. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the assembly of the front-end pretreatment device with the heat storage chamber, catalytic reaction chamber, and heat exchanger.

[0017] Figure 2 This is a schematic diagram of the front-end preprocessing device.

[0018] Figure 3 This is a side view of the front-end preprocessing unit.

[0019] In the diagram, 1 is the heat storage chamber; 2 is the catalytic reaction chamber; 3 is the heat exchanger; 4 is the outer shell of the device; 5 is the gas transmission pipeline; 6 is the filter screen; 7 is the mounting groove; 701 is the sealing groove; 8 is the spray pipe; 9 is the storage tank; 10 is the opening; 11 is the water pump; 12 is the spray switch; 13 is the spray head; 14 is the observation window; and 15 is the monitoring camera. Detailed Implementation

[0020] The present invention will be further described below with reference to the accompanying drawings and some embodiments.

[0021] exist Figures 1-3 A type of RCO catalytic combustion waste gas treatment device includes a heat storage chamber 1, a catalytic reaction chamber 2, a heat exchanger 3, and a front-end pretreatment device. The front-end pretreatment device includes a device housing 4, a filter screen 6 for filtering particulate matter, and an absorption component for absorbing harmful substances. The device housing 4 is detachably installed at the front end of the heat storage chamber 1 by screw connection and is used for waste gas transportation through a gas transmission pipeline 5. The filter screen 6 and the absorption component are located inside the device housing 4, so that the waste gas enters the heat storage chamber 1 and the catalytic reaction chamber 2 after pretreatment by the filter screen 6 and the absorption component. When the device is working, the waste gas first passes through the front-end pretreatment device to remove particulate matter and harmful substances, and then enters the heat storage chamber 1 for preheating. The preheated waste gas enters the catalytic reaction chamber 2, where an oxidation reaction occurs under the action of a catalyst to generate carbon dioxide and water and release heat. This heat is recovered and reused through the heat exchanger 3, improving energy utilization efficiency. Furthermore, the device housing 4 can be quickly disassembled and installed, facilitating the maintenance and replacement of the filter screen 6 and the absorption component.

[0022] In this embodiment, the absorption component includes a spray pipe 8 and a storage tank 9 for storing spray liquid. The storage tank 9 is connected to the bottom of the device housing 4. A water pump 11 is installed inside the storage tank 9 to inject the spray liquid into the spray pipe 8 for transportation. The inlet end of the spray pipe 8 is connected to the water pump 11, and the outlet end of the spray pipe 8 is located inside the device housing 4. Several spray heads 13 for absorbing harmful substances are distributed on the outlet end of the spray pipe 8. The spray heads 13 spray and absorb harmful substances in the waste gas, and then discharge it into the heat storage chamber 1 and the catalytic reaction chamber 2. The liquid sprayed from the spray heads 13 forms a water curtain inside the device housing 4. When the waste gas enters the device housing 4, it is first filtered by the filter screen 6 to remove particulate matter, preventing particulate matter from depositing on the catalyst surface. Then, the waste gas passes through the water curtain of spray liquid below the spray heads 13 to absorb the toxic compounds contained in the waste gas, preventing catalyst poisoning and deactivation. The filter screen 6 and the absorption component have a simple structure and are less expensive than using a spray tower.

[0023] In this embodiment, the outer casing 4 of the device is provided with a plurality of mounting slots 7 for mounting the filter screen plate 6. The inner side of the outer casing 4 is provided with a sealing groove 701 that matches the mounting slots 7, so that the filter screen plate 6 is inserted into the mounting slots 7 and fixed in the sealing groove 701. The filter screen plate 6 can be installed in the outer casing 4 in a removable manner, which is convenient for replacement and improves the filtration effect of particulate matter.

[0024] In this embodiment, there are at least two mounting slots 7 and sealing slots 701, and at least two corresponding filter screens 6 are inserted. In practical applications, the mounting slots 7 and sealing slots 701 on the device housing 4 can be designed according to the particulate matter content in the exhaust gas. When the particulate matter content in the exhaust gas to be treated is high, it is best to design three mounting slots 7 and sealing slots 701 for installing filter screens 6 to improve the particulate matter filtration effect. When the particulate matter content in the exhaust gas to be treated is low, two mounting slots 7 and sealing slots 701 can be designed for installing filter screens 6 to achieve efficient particulate matter filtration.

[0025] In this embodiment, a sealing strip is provided around the mounting groove 7 to ensure that the filter screen 6 is in close contact with the mounting groove 7, thereby preventing exhaust gas leakage and environmental pollution.

[0026] In this embodiment, the connection between the storage tank 9 and the bottom of the device housing 4 is provided with several openings 10 for recycling the spray liquid, so that the spray liquid flows into the storage tank 9 for recycling.

[0027] In this embodiment, the catalytic reaction chamber 2 is provided with an observation window 14 on the side facing the catalyst installation, for observing changes in the physical state of the catalyst; a monitoring camera 15 is provided at the upper end of the observation window 14, which can be wirelessly connected to the display terminal in the monitoring room for monitoring changes in the physical state of the catalyst; the monitoring camera 15 is provided to monitor changes in the physical state of the catalyst, and when changes in the physical state of the catalyst occur, such as sintering, crushing, or carbon deposition, timely replacement can be detected to avoid environmental pollution from exhaust gas.

[0028] In this embodiment, a spray switch 12 for controlling the operation of the water pump 11 is also included. The spray switch 12 is disposed on the device housing 4. By controlling the operation of the water pump 11 through the spray switch 12, the liquid sprayed from the spray head 13 forms a water curtain inside the device housing 4 to absorb the toxic compounds contained in the exhaust gas.

[0029] In this embodiment, the spraying liquid can be an alkaline solution or a sulfuric acid solution. If the waste gas contains acid, an alkaline solution is selected for spraying to neutralize the acid; if the waste gas contains alkalinity, a sulfuric acid solution is selected for absorption. Waste gas without acid or alkali but containing oil or dust can be treated by spraying with a circulating aqueous solution. The specific acid or alkali solution selected depends on the properties of the waste gas and the company's own situation, and this application does not impose any restrictions.

[0030] In this embodiment, the surveillance camera 15 is a common camera device, such as the TP-LINK IPC42E model or the Founder DSJ-S2 model camera.

[0031] In this embodiment, the control circuit of this utility model is a common circuit in the field of circuits, which can be implemented by those skilled in the art, and will not be described in detail here.

[0032] In specific implementation of this utility model: the liquid sprayed from the spray head 13 forms a water curtain inside the device housing 4. When the exhaust gas enters the device housing 4, it is first filtered by the filter screen 6 to remove particulate matter, preventing particulate matter from depositing on the catalyst surface. Then, the exhaust gas passes through the spray liquid water curtain below the spray head 13, where toxic compounds contained in the exhaust gas are absorbed by the liquid, preventing catalyst poisoning and deactivation. The filter screen 6 and absorption components have a simple structure and are less expensive than using a spray tower. A monitoring camera 15 is provided to monitor changes in the physical state of the catalyst. When changes in the physical state of the catalyst occur, such as sintering, breakage, or carbon deposition, it can be detected and replaced in time to prevent exhaust gas from polluting the environment.

[0033] It is worth noting that in the description of this utility model, "multiple" means two or more, unless otherwise explicitly specified. In this utility model, unless otherwise explicitly specified and limited, the terms "installation," "connection," "joining," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can also refer to a mechanical connection. The circuits described in this utility model are all commonly used circuits in the art, and other related components are all commonly used existing components. For those skilled in the art, the specific meaning of the above terms in this utility model can be understood according to the specific circumstances.

[0034] It will be apparent to those skilled in the art that this utility model patent is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this utility model patent. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of this utility model patent is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be encompassed within this utility model patent. No reference numerals in the claims should be construed as limiting the scope of the claims.

Claims

1. An RCO catalytic combustion waste gas treatment device, comprising a heat storage chamber, a catalytic reaction chamber, and a heat exchanger, characterized in that: It also includes a front-end pretreatment device, which includes a device shell, a filter screen for filtering particulate matter, and an absorption component for absorbing harmful substances. The device shell is detachably installed at the front end of the heat storage chamber and the waste gas is transported through a gas pipeline. The filter screen and the absorption component are set inside the device shell, so that the waste gas enters the heat storage chamber and the catalytic reaction chamber after being pretreated by the filter screen and the absorption component. The absorption component includes a spray pipe and a storage tank for storing spray liquid. The storage tank is connected to the bottom of the device housing. A water pump is installed inside the storage tank to inject the spray liquid into the spray pipe for transportation. The inlet end of the spray pipe is connected to the water pump, and the outlet end of the spray pipe is located inside the device housing. Several spray heads for absorbing harmful substances are distributed on the outlet end of the spray pipe. The spray heads spray and absorb harmful substances in the exhaust gas, and then discharge it into the heat storage chamber and the catalytic reaction chamber. The catalytic reaction chamber is provided with an observation window on the side facing the catalyst installation, for observing changes in the physical state of the catalyst.

2. The RCO catalytic combustion waste gas treatment device as described in claim 1, characterized in that: The device housing has several mounting slots for mounting filter screens, and the device housing has a sealing groove inside that matches the mounting slots, so that the filter screens are inserted into the mounting slots and fixed in the sealing groove.

3. The RCO catalytic combustion waste gas treatment device as described in claim 2, characterized in that: There are no fewer than two mounting slots and sealing slots, and there are no fewer than two corresponding filter screens inserted.

4. The RCO catalytic combustion waste gas treatment equipment as described in claim 2, characterized in that: The mounting groove is surrounded by sealing strips to ensure that the filter screen is in close contact with the mounting groove and to prevent exhaust gas leakage.

5. The RCO catalytic combustion waste gas treatment device as described in claim 1, characterized in that: The connection between the storage tank and the bottom of the device housing has several openings for recovering the sprayed liquid, allowing the sprayed liquid to flow into the storage tank for recycling.

6. The RCO catalytic combustion waste gas treatment device as described in claim 1, characterized in that: A monitoring camera is installed at the top of the observation window. The monitoring camera can be wirelessly connected to the display terminal in the monitoring room to monitor the physical state changes of the catalyst.

7. The RCO catalytic combustion waste gas treatment device as described in claim 1, characterized in that: It also includes a spray switch for regulating the operation of the water pump, the spray switch being mounted on the housing of the device.

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