Fixed bed reactor
By designing a fixed bed reactor in the fixed reactor, and using the decomposition and purification components in the emission device to process the semi-coke gas, the problem of high dust content of the pyrolysis reactor is solved, and environmental pollution is reduced and staff comfort is improved.
Patent Information
- Application Number
- CN202421544289.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-02
- Publication Date
- 2025-04-18
- Estimated Expiration
- 2034-07-02
AI Technical Summary
When existing immobilized reactors pyrolyzed and treated solid waste, the dust content of oil and gas in the pyrolyzed reactor is high, resulting in environmental pollution and discomfort of staff.
A fixed bed reactor is designed, including a reactor body, a fixing device and a discharge device. By discharging the impurity removal and purification components in the emission device, the semicoke gas generated in the reactor body is filtered and absorbed, thereby reducing environmental pollution.
It effectively reduces the gas generated in the semi-coke in the reactor body, reduces environmental pollution and discomfort among staff, and improves the overall purification level.
Smart Images

Figure CN222766272U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of reactors, in particular to a fixed bed reactor. Background Art
[0002] A fixed bed reactor is a reactor that is filled with granular solid catalysts or solid reactants to form a stacked bed layer of a certain height. While the gas or liquid material flows through the gaps between the particles through the static fixed bed layer, a heterogeneous reaction process is achieved.
[0003] Solid waste is a solid or semi-solid substance that has lost its original use value after processing and use. Although it has lost its original use value, it still has potential use value. At present, fixed reactors are used to treat solid waste by pyrolysis, and the thermal decomposition process of organic matter in an oxygen-free environment is carried out to obtain energy products such as pyrolysis oil, biochar and pyrolysis gas.
[0004] In order to effectively reduce the dust content of the oil and gas leaving the pyrolysis reactor and to reduce the insulation facilities of the pipeline between the pyrolysis reactor and the pyrolysis oil and gas rapid condensation device, the semi-coke produced by pyrolysis is discharged through the semi-coke outlet, which will reduce the air quality and cause discomfort to the staff due to excessive inhalation. Utility Model Content
[0005] The present application provides a fixed bed reactor, which can reduce the gas generated by semi-coke in the reactor body and avoid pollution to the environment; and can avoid blockage of semi-coke, improve the overall purification level, and reduce discomfort to workers during operation.
[0006] A fixed bed reactor provided in the present application comprises a reactor body, a fixing device and a discharge device, wherein the reactor body is mounted on the fixing device; the bottom of the reactor body is connected to the discharge device, and the discharge device is detachably mounted on the fixing device; the discharge device comprises a shell, a connecting component connected to the reactor body, a de-plumbing component arranged in the shell, and a purification component installed on the shell; the de-plumbing component comprises a filter screen arranged in the shell and a filter plate arranged below the filter screen; a filter slot for the filter plate to pass through is arranged on one side of the shell; the purification component comprises a purification shell arranged on both sides of the shell, and a fan arranged in the purification shell, the air inlet direction of the fan is toward the direction of the filter screen in the shell; an air outlet channel is arranged on one side of the purification shell, and the air outlet direction of the fan is toward the air outlet channel.
[0007] By adopting the above technical solution, the present application provides a fixing device and a discharge device on the reactor body. The fixing device is used to fix the reactor body and the discharge device, and the reactor body is connected to the discharge device. The discharge device includes a shell, a connecting component, an impurity removal component and a purification component. The semi-coke produced in the reactor body will enter the shell through the connecting component, and will be initially filtered through the filter screen in the impurity removal component and transferred to the filter plate. Then, the gas emitted by the semi-coke on the filter plate is absorbed through the fan and the air outlet channel in the purification component, thereby reducing the gas generated by the semi-coke in the reactor body and avoiding pollution to the environment.
[0008] Optionally, the connecting assembly includes a first pipe fixedly connected to the shell and a second pipe that slides up and down relative to the first pipe, the second pipe is provided with a first flange interface toward the bottom of the reactor body, and the bottom of the reactor body is provided with a second flange interface fixedly connected to the first flange interface.
[0009] By adopting the above technical solution, the connection stability between the discharge device and the reactor is improved.
[0010] Optionally, a filter cavity for installing the filter screen is provided in the shell, and the chamber of the first pipe is communicated with the filter cavity, so that the semi-coke in the first pipe falls from the filter screen onto the filter screen.
[0011] Optionally, the filter plate includes a receiving portion and an odor-dissipating portion; the odor-dissipating portion is provided with two pieces and is arranged on both sides of the receiving portion; the receiving portion is arranged below the filter net; and the odor-dissipating portion is arranged below the purification component.
[0012] By adopting the above technical solution, the semi-coke in the reactor body first falls into the filter plate through the filter mesh; wherein, the receiving part is located just below the filter mesh, so that it can receive the filtered semi-coke, and the remaining semi-coke is transferred from both sides of the receiving part to the odor dissipation part, and the semi-coke on the odor dissipation part is deodorized through the purification component.
[0013] Optionally, the filter plate is provided with a collecting portion and a positioning plate toward the notch of the filter tank, and a collecting tank is formed on one side of the collecting portion and one side of the positioning plate.
[0014] By adopting the above technical solution, since the semi-coke will accumulate and adhere to the filter plate over time, the provision of a collection tank can help workers to scrape the attached tar into the collection tank from the inside, thereby facilitating the cleaning of the filter plate.
[0015] Optionally, the shell is provided with an inspection hole located beside the connection point of the first pipeline, the inspection hole is communicated with the filter chamber, and the shell is provided with a cover plate for closing the inspection hole.
[0016] By adopting the above technical solution, it is convenient to disassemble and assemble the filter, thereby improving the filtering effect, and thus helping to remove the burnt taste.
[0017] Optionally, a purification chamber connected to the filter chamber is provided in the purification housing, the fan is arranged in the purification chamber, and both ends of the channel of the purification chamber vertically force the filter chamber and the air outlet channel to communicate with each other.
[0018] Optionally, the purification component further includes a fixed cover, and the fixed cover is arranged between the purification chamber and the filter chamber.
[0019] One or more technical solutions provided in this application have at least the following technical effects or advantages:
[0020] 1. The present application provides a fixing device and a discharge device on the reactor body. The fixing device is used to fix the reactor body and the discharge device, and the reactor body is connected to the discharge device, which is convenient for the fixed installation of the reactor body, and the discharge device is used to reduce the odor of the semi-coke produced by the reactor body.
[0021] 2. In the present application, the semi-coke produced in the reactor body is introduced into the shell through the connecting component, and is initially filtered through the filter screen in the impurity removal component and transferred to the filter plate. Then, the gas emitted by the semi-coke on the filter plate is absorbed by the fan and the air outlet channel in the purification component, thereby reducing the gas generated by the semi-coke in the reactor body and avoiding pollution to the environment.
[0022] 3. The present application adopts the method of first allowing the semi-coke in the reactor body to fall into the filter plate through the filter net; and receiving the filtered semi-coke through the receiving part, and transferring the remaining semi-coke from both sides of the receiving part to the odor dissipation part, and deodorizing the semi-coke on the odor dissipation part through the purification component, thereby reducing the gas generated by the semi-coke in the reactor body. BRIEF DESCRIPTION OF THE DRAWINGS
[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.
[0024] Figure 1 This is a schematic diagram of the overall structure of a fixed reactor in an embodiment of the present application;
[0025] Figure 2 This is a schematic diagram of the overall structure of a fixed reactor in an embodiment of the present application;
[0026] Figure 3 This is a schematic diagram of the cross-sectional structure of the discharge device in the embodiment of the present application;
[0027] Figure 4 This is a schematic diagram of the overall structure of the discharge device in the embodiment of the present application;
[0028] Figure 5 This is a schematic diagram of the explosion structure of the discharge device in the embodiment of the present application;
[0029] Figure 6 It is a schematic diagram of the explosion structure of the discharge device in the embodiment of the present application.
[0030] Explanation of the reference numerals: 1. Reactor body; 11. Fixed column; 2. Fixing device; 21. Universal wheel; 3. Discharge device; 31. Shell; 311. Filter chamber; 312. Filter tank; 313. Inspection hole; 314. Cover plate; 32. Connecting assembly; 321. First pipeline; 322. Second pipeline; 323. First flange interface; 324. Second flange interface; 33. De-impurity assembly; 331. Filter net; 332. Filter plate; 3321. Receiving part; 3222. Odor dissipating part; 3223. Collecting part; 3224. Positioning plate; 34. Purification assembly; 341. Purification housing; 342. Fan; 343. Air outlet channel; 344. Purification chamber; 345. Fixed cover. DETAILED DESCRIPTION
[0031] The present application provides a fixed bed reactor, which can reduce the gas generated by semi-coke in the reactor body and avoid pollution to the environment; and can avoid blockage of semi-coke, improve the overall purification level, and reduce discomfort to workers during operation.
[0032] The following will be combined with the drawings in the embodiments of the present application to clearly and completely describe the technical solutions in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all of the embodiments. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of this application.
[0033] It should be noted that the terms "first", "second", etc. in the specification and claims of the present application and the above-mentioned drawings are used to distinguish similar objects, and are not necessarily used to describe a specific order or sequence. It should be understood that the data used in this way can be interchangeable where appropriate, so that the embodiments of the present application described herein can be implemented in an order other than those illustrated or described herein. In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusions, for example, a process, method, system, product, or server that includes a series of steps or units is not necessarily limited to those steps or units that are clearly listed, but may include other steps or modules that are not clearly listed or inherent to these processes, methods, products, or devices.
[0034] Reference Figure 1 A fixed bed reactor of this embodiment includes a reactor body 1, a fixing device 2 and a discharge device 3, wherein the reactor body 1 is mounted on the fixing device 2. A fixing column 11 is disposed on the peripheral side of the reactor body 1 and is interconnected with the fixing device 2 to thereby fasten the reactor body 1. Figure 2 A universal wheel 21 is provided on the bottom of the fixing device 2, thereby facilitating the movement of the reactor body 1 and improving the application range of the fixed reactor.
[0035] In addition, the bottom of the reactor body 1 is connected to the discharge device 3, and the discharge device 3 is detachably mounted on the fixing device 2. Figure 3 The discharge device 3 includes a shell 31, a connection assembly 32 connected to the reactor body 1, a dust removal assembly 33 disposed in the shell 31, and a purification assembly 34 installed on the shell 31. The dust removal assembly 33 includes a filter screen 331 disposed in the shell 31 and a filter plate 332 disposed below the filter screen 331. The semi-coke produced in the reactor body 1 will enter the shell 31 through the connection assembly 32, and will be preliminarily filtered by the filter screen 331 in the dust removal assembly 33, and then transferred to the filter plate 332.
[0036] In addition, the purification component 34 includes a purification housing 341 disposed on both sides of the housing 31, and a fan 342 disposed in the purification housing 341, and the air inlet direction of the fan 342 is toward the direction of the filter 331 in the housing 31. In addition, an air outlet channel 343 is disposed on one side of the purification housing 341, and the air outlet direction of the fan 342 is toward the air outlet channel 343. In the embodiment of the present application, the air outlet channel 343 is externally connected to an air outlet duct for recycling waste gas, thereby reducing air pollution. The gas emitted by the semi-coke on the filter plate 332 is absorbed by the fan 342 and the air outlet channel 343 in the purification component 34, and the gas generated by the semi-coke in the reactor body 1 is reduced, thereby avoiding pollution to the environment.
[0037] Combination Figure 3 and Figure 4 The connection assembly 32 includes a first pipe 321 fixedly connected to the shell 31 and a second pipe 322 that slides up and down relative to the first pipe 321. Further, the second pipe 322 is integrally provided with a first flange interface 323 toward the bottom of the reactor body 1, and the bottom of the reactor body 1 is integrally provided with a second flange interface 324 correspondingly and fixedly connected to the first flange interface 323. The second pipe 322 is sleeved in the first pipe 321, and the height of the second pipe 322 is adjusted according to the height of the bottom of the reactor body 1, thereby realizing a fixed connection between the first flange interface 323 and the second flange interface 324, thereby improving the connection stability between the discharge device 3 and the reactor.
[0038] Reference Figure 3 , a filter chamber 311 for installing a filter screen 331 is provided in the shell 31, the chamber of the first pipe 321 is communicated with the filter chamber 311, and the semi-coke in the first pipe 321 falls from the filter screen 331 to the filter screen 331, thereby realizing the transfer of the semi-coke in the reactor body 1. In addition, a purification chamber 344 communicating with the filter chamber 311 is provided in the purification housing 341, and a fan 342 is arranged in the purification chamber 344, and the two ends of the channel of the purification chamber 344 vertically force the filter chamber 311 and the air outlet channel 343 to communicate with each other. Further, the purification component 34 also includes a fixed cover 345, which is arranged between the purification chamber 344 and the filter chamber 311. The fixed cover 345 is a grille used for air outlet in the prior art, which reduces the attachment of volatile gases to the blades of the fan 342 and increases the working power of the fan 342.
[0039] Combination Figure 4 and Figure 5 The filter plate 332 includes an integrally connected receiving portion 3321 and a odor dissipating portion 3222. In this embodiment, the odor dissipating portion 3222 is provided with two pieces, and is provided on both sides of the receiving portion 3321. At the same time, the receiving portion 3321 is provided below the filter net 331 so as to receive the filtered semi-coke, and the odor dissipating portion 3222 is provided below the purification component 34. The remaining semi-coke is transferred from both sides of the receiving portion 3321 to the odor dissipating portion 3222, and then the semi-coke on the odor dissipating portion 3222 is deodorized by the purification component 34.
[0040] See also Figure 5 A filter tank 312 for the filter plate 332 to pass through is provided on one side of the shell 31, and then the semi-coke in the collection tank can be collected by taking the filter plate 332 out of the filter tank 312.
[0041] The filter plate 332 is integrally provided with a collecting portion 3223 and a positioning plate 3224 in the direction of the notch of the filter tank 312, and a collecting groove is formed on one side of the collecting portion 3223 and one side of the positioning plate 3224. Since the semi-coke will accumulate and adhere to the filter plate 332 over time, the provision of the collecting groove can help workers to scrape the attached tar into the collecting groove from the inside, thereby facilitating the cleaning of the filter plate 332. The positioning plate 3224 abuts against the notch of the filter tank 312, thereby fixing the positioning plate 3224 and increasing the sealing of the filter chamber 311.
[0042] Reference Figure 6 The housing 31 is provided with an inspection hole 313 near the connection of the first pipe 321. The inspection hole 313 is communicated with the filter chamber 311. The housing 31 is provided with a cover plate 314 that closes the inspection hole 313, which facilitates the disassembly and assembly of the filter net 331, improves the filtering effect, and further helps to remove the burnt taste. The cover plate 314 is provided with a snap-fit part, which cooperates with the inspection hole 313 to achieve the detachable fixation of the cover plate 314. Furthermore, a sealing part is provided on the cover plate 314 to improve the sealing performance in the filter chamber 311.
[0043] It should be noted that the above-mentioned sequence of the embodiments of the present application is only for description and does not represent the advantages and disadvantages of the embodiments. And the above-mentioned specific embodiments of this specification are described. Other embodiments are within the scope of the attached claims. In some cases, the actions or steps recorded in the claims can be performed in an order different from that in the embodiments and still achieve the desired results. In addition, the processes depicted in the drawings do not necessarily require the specific order or continuous order shown to achieve the desired results. In some embodiments, multitasking and parallel processing are also possible or may be advantageous.
[0044] The above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.
[0045] This specification and drawings are merely exemplary illustrations of the present application and are deemed to cover any and all modifications, variations, combinations or equivalents within the scope of the present application. Obviously, a person skilled in the art may make various modifications and variations to the present application without departing from the scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the present application and its equivalents, the present application intends to include these modifications and variations.
Claims
1. A fixed bed reactor, characterized in that: It comprises a reactor body (1), a fixing device (2) and a discharge device (3), wherein the reactor body (1) is mounted on the fixing device (2); The bottom of the reactor body (1) is connected to the discharge device (3), and the discharge device (3) is detachably mounted on the fixing device (2); The discharge device (3) comprises a shell (31), a connection component (32) connected to the reactor body (1), a decontamination component (33) arranged in the shell (31), and a purification component (34) installed on the shell (31); The impurity removal component (33) comprises a filter screen (331) arranged in the housing (31) and a filter plate (332) arranged below the filter screen (331); a filter groove (312) for the filter plate (332) to pass through is provided on one side of the housing (31); The purification component (34) comprises a purification shell (341) arranged on both sides of the shell (31), and a fan (342) arranged in the purification shell (341), the air inlet direction of the fan (342) is toward the direction of the filter (331) in the shell (31); an air outlet channel (343) is arranged on one side of the purification shell (341), and the air outlet direction of the fan (342) is toward the air outlet channel (343).
2. The fixed bed reactor according to claim 1, characterized in that The connecting assembly (32) comprises a first pipe (321) fixedly connected to the shell (31) and a second pipe (322) sliding up and down relative to the first pipe (321), the second pipe (322) being provided with a first flange interface (323) toward the bottom of the reactor body (1), and the bottom of the reactor body (1) being provided with a second flange interface (324) fixedly connected to the first flange interface (323).
3. The fixed bed reactor according to claim 2, characterized in that A filter cavity (311) for installing the filter screen (331) is provided in the shell (31), and the chamber of the first pipe (321) is in communication with the filter cavity (311), so that the semi-coke in the first pipe (321) falls from the filter screen (331) onto the filter screen (331).
4. The fixed bed reactor according to claim 3, characterized in that The filter plate (332) comprises a receiving portion (3321) and an odor dissipating portion (3222); the odor dissipating portion (3222) is provided with two pieces and is arranged on both sides of the receiving portion (3321); the receiving portion (3321) is arranged below the filter net (331); and the odor dissipating portion (3222) is arranged below the purification component (34).
5. The fixed bed reactor according to claim 4, characterized in that The filter plate (332) is provided with a collecting portion (3223) and a positioning plate (3224) in the direction of the notch of the filter slot (312), and a collecting slot is formed on one side of the collecting portion (3223) and one side of the positioning plate (3224).
6. The fixed bed reactor according to claim 3, characterized in that The housing (31) is provided with an inspection hole (313) near the connection point of the first pipe (321), the inspection hole (313) is communicated with the filter cavity (311), and the housing (31) is provided with a cover plate (314) for closing the inspection hole (313).
7. The fixed bed reactor according to claim 3, characterized in that A purification chamber (344) communicating with the filter chamber (311) is provided in the purification housing (341), and the fan (342) is arranged in the purification chamber (344). Both ends of the channel of the purification chamber (344) vertically force the filter chamber (311) and the air outlet channel (343) to communicate with each other.
8. The fixed bed reactor according to claim 7, characterized in that The purification component (34) further comprises a fixed cover (345), wherein the fixed cover (345) is arranged between the purification chamber (344) and the filter chamber (311).