A waste heat recovery device for RTO waste gas treatment

Abstract

The utility model relates to the technical field of waste heat recovery, and specifically to a waste heat recovery device for RTO waste gas treatment, comprising a waste heat recovery box for RTO waste gas treatment having a cold water inlet, a hot water outlet, an RTO waste gas inlet and an RTO waste gas outlet, a filter structure is arranged at the RTO waste gas inlet, the filter structure comprises a filter sleeve fixedly connected to the RTO waste gas inlet, a filter mechanism and a self-driven cleaning mechanism for cleaning the filter mechanism are arranged in the filter sleeve, and the bottom of the filter sleeve is connected to the slag unloading mechanism through a slag unloading pipe. The utility model facilitates the addition of a filter structure before the RTO waste gas inlet, avoids impurities contained in the RTO waste gas from clogging the waste heat recovery box for RTO waste gas treatment, and ensures the waste heat recovery efficiency, and at the same time facilitates the cleaning of impurities in the process of continuous filtering of the RTO waste gas, thereby ensuring the continuous introduction of the RTO waste gas and the continuity of the waste heat recovery state.

Description

Technical Field

[0001] The utility model relates to the technical field of waste heat recovery, in particular to a waste heat recovery device for RTO waste gas treatment. Background Art

[0002] RTO is a highly efficient organic waste gas treatment equipment. Compared with traditional catalytic combustion and direct-fired thermal oxidation furnaces, it has the characteristics of high thermal efficiency, low operating cost and the ability to treat large air volume and low-concentration waste gas. When the concentration is slightly higher, secondary waste heat recovery can be performed, which greatly reduces the production and operation costs. After searching, the Chinese patent with publication number CN218120689U discloses an RTO waste gas treatment device with waste heat recovery and reuse, including a waste heat recovery component, on which a disassembly component is arranged, and the waste heat recovery component includes a bin body, a partition is fixedly installed inside the bin body, and a heat pipe fixedly connected to the left side of the inner wall of the bin body is fixedly installed at the bottom of the partition. The top of the plate is connected to an exhaust pipe with one end connected to the heat pipe, the left side of the bin is connected to an air intake pipe, and the right side of the air intake pipe is connected to the end of the heat pipe away from the exhaust pipe, and a heat dissipation fin is fixedly installed on the outside of the heat pipe. By setting a waste heat recovery component, it can achieve efficient adsorption of waste heat contained in the RTO exhaust gas, thereby facilitating the reuse of the recovered heat, improving the effect of waste gas treatment and use of the device, and having strong energy conservation and environmental protection. However, it is not convenient to filter the RTO exhaust gas first and then recover the waste heat. Therefore, impurities in the RTO exhaust gas are easily retained in the waste heat recovery box for RTO exhaust gas treatment, thereby forming a blockage and affecting the waste heat recovery efficiency. Utility Model Content

[0003] 1. Technical issues to be solved

[0004] In view of the shortcomings of the prior art, the utility model provides a waste heat recovery device for RTO waste gas treatment, which is convenient for adding a filtering structure before the RTO waste gas inlet to avoid impurities contained in the RTO waste gas from clogging the waste heat recovery box for RTO waste gas treatment and ensuring the waste heat recovery efficiency. At the same time, it is convenient to clean up impurities in the process of continuous filtering of the RTO waste gas, ensuring the continuous introduction of RTO waste gas and the continuity of the waste heat recovery state.

[0005] (II) Technical solution

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a waste heat recovery device for RTO waste gas treatment, comprising a waste heat recovery box for RTO waste gas treatment having a cold water inlet, a hot water outlet, an RTO waste gas inlet and an RTO waste gas outlet, a filter structure is arranged at the RTO waste gas inlet, the filter structure comprises a filter sleeve fixedly connected to the RTO waste gas inlet, a filter mechanism and a self-driven cleaning mechanism for cleaning the filter mechanism are arranged in the filter sleeve, and the bottom of the filter sleeve is connected to the slag unloading mechanism through a slag unloading pipe.

[0007] Preferably, the filtering mechanism comprises a filter screen fixedly mounted on one side of the filter sleeve close to the RTO exhaust gas inlet.

[0008] Preferably, the self-driven cleaning mechanism includes a rotating shaft rotatably connected to the filter sleeve, on which a scraping belt in contact with the filter screen is fixedly mounted, and the filter sleeve is configured to be shuttle-shaped, and the slag unloading pipe is arranged on the waste heat recovery box for RTO waste gas treatment at a position below the scraping belt and is fixedly connected to the waste heat recovery box for RTO waste gas treatment.

[0009] Preferably, the slag unloading mechanism includes a slag unloading tank fixedly connected to the bottom of the slag unloading pipe, a slag beveling opening is opened at the bottom of the slag unloading tank, a slag shifting frame is rotatably connected in the slag unloading tank and is in sealing and sliding contact with the side wall of the slag unloading tank, and a slag beveling motor is fixedly installed on the slag unloading tank for driving the slag shifting frame to rotate.

[0010] Preferably, the bottom of the rotating shaft extends into the slag unloading pipe, and a support frame is fixedly connected to the slag unloading pipe, and the bottom end of the rotating shaft is rotatably connected to the top end of the support frame.

[0011] Preferably, both ends of the slag unloading tank are provided with perspective windows.

[0012] (III) Beneficial effects

[0013] Compared with the prior art, the utility model provides a waste heat recovery device for RTO waste gas treatment, which has the following beneficial effects:

[0014] The waste heat recovery device for treating RTO waste gas is convenient for filtering before the RTO is introduced by setting a filtering structure, filtering is performed through the filtering mechanism, and as the RTO is introduced, the self-driven cleaning mechanism is driven to rotate, thereby cleaning the filtering mechanism, and cleaning the debris adhering to the filtering mechanism, thereby ensuring the filtering performance of the filtering mechanism and the RTO pass rate, and conveniently discharging the debris cleaned by the self-driven cleaning mechanism during the slag discharge process through the slag unloading mechanism. The waste heat recovery device for treating RTO waste gas is convenient for adding a filtering structure before the RTO waste gas inlet to avoid impurities contained in the RTO waste gas from clogging the RTO waste heat recovery box for treating waste gas, and ensuring the waste heat recovery efficiency, and at the same time, convenient for cleaning impurities in the process of continuous filtering of the RTO waste gas, thereby ensuring the continuous introduction of the RTO waste gas and the continuity of the waste heat recovery state. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the structure of the utility model from other perspectives as a whole;

[0017] Figure 3 It is a structural schematic diagram of a partial cross-section of the filtering structure of the utility model.

[0018] Markings in the attached figure: 1. Waste heat recovery box for RTO waste gas treatment; 2. Cold water inlet; 3. Hot water outlet; 4. RTO waste gas inlet; 5. RTO waste gas outlet; 6. Filter sleeve; 7. Filter screen; 8. Rotating shaft; 9. Slag scraping belt; 10. Slag unloading pipe; 11. Support frame; 12. Slag unloading tank; 13. Slag shifting frame; 14. Slag inclined port; 15. Slag inclined motor; 16. Perspective window. DETAILED DESCRIPTION

[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0020] Example:

[0021] See also Figure 1-3A waste heat recovery device for RTO waste gas treatment includes a waste heat recovery box 1 for RTO waste gas treatment having a cold water inlet 2, a hot water outlet 3, an RTO waste gas inlet 4 and an RTO waste gas outlet 5. A filter structure is provided at the RTO waste gas inlet 4. The filter structure includes a filter sleeve 6 fixedly connected to the RTO waste gas inlet 4. A filter mechanism and a self-driven cleaning mechanism for cleaning the filter mechanism are provided in the filter sleeve 6. The bottom of the filter sleeve 6 is connected to the slag unloading mechanism through a slag unloading pipe 10.

[0022] Specifically, the filtering mechanism includes a filter screen 7 fixedly installed in the filter sleeve 6 on one side close to the RTO exhaust gas inlet 4. The setting of the filter screen 7 facilitates the filtering of impurities in the RTO exhaust gas, thereby preventing the impurities in the RTO exhaust gas from directly passing through the RTO exhaust gas inlet 4 into the waste heat recovery box 1 for RTO exhaust gas treatment.

[0023] Specifically, the self-driven cleaning mechanism includes a rotating shaft 8 rotatably connected to the filter sleeve 6, a scraper belt 9 in contact with the filter screen 7 is fixedly mounted on the rotating shaft 8, and the filter sleeve 6 is arranged in a shuttle shape, and the slag unloading pipe 10 is arranged on the RTO waste gas treatment waste heat recovery box 1 below the scraper belt 9 and is fixedly connected to the RTO waste gas treatment waste heat recovery box 1. When the RTO waste gas is introduced, the circulation of the RTO waste gas drives the scraper belt 9 and the rotating shaft 8 to rotate as a whole, and then enters the other side through the filter screen 7, and then enters the RTO waste gas treatment waste heat recovery box 1 through the RTO waste gas inlet 4. The scraper belt 9 rotates while scraping off the impurities hanging on the filter screen 7.

[0024] Specifically, the slag unloading mechanism includes a slag unloading tank 12 fixedly connected to the bottom of the slag unloading pipe 10, a slag oblique opening 14 is opened at the bottom of the slag unloading tank 12, a slag rack 13 is rotatably connected in the slag unloading tank 12 and is in sealing and sliding contact with the side wall of the slag unloading tank 12, and a slag oblique motor 15 is fixedly installed on the slag unloading tank 12 to drive the slag rack 13 to rotate. Furthermore, a plurality of compartments are arranged on the slag rack 13. The slag oblique motor 15 is started to drive the slag rack 13 to rotate a certain angle, so that impurities can enter different compartments in the slag rack 13. When the compartment containing debris moves to the slag oblique opening 14, the impurities fall out under the action of gravity.

[0025] Specifically, the bottom of the rotating shaft 8 extends into the slag unloading pipe 10, and a support frame 11 is fixedly connected to the slag unloading pipe 10. The bottom end of the rotating shaft 8 is rotatably connected to the top end of the support frame 11. The setting of the support frame 11 facilitates the support of the rotating shaft 8 and increases the stability of the rotating shaft 8 and the scraping screw belt 9 during rotation.

[0026] Specifically, both ends of the slag unloading pot 12 are provided with perspective windows 16 , through which the amount of debris falling into the compartment of the slag removing frame 13 can be observed, so that the slag removing frame 13 can be rotated in time.

[0027] When in use, the RTO exhaust gas first passes through the filtering structure and then enters the waste heat recovery box 1 for RTO exhaust gas treatment through the RTO exhaust gas inlet 4. When the RTO exhaust gas passes through the filter sleeve 6, it drives the self-driven cleaning mechanism to rotate and enters the other side through the filtering mechanism. Since the self-driven cleaning mechanism rotates, the impurities filtered on the filtering mechanism are scraped off, and the impurities fall downward under the action of gravity and enter the slag unloading mechanism through the slag unloading pipe 10. The slag unloading mechanism facilitates the discharge of debris cleaned by the self-driven cleaning mechanism during the slag discharge process.

[0028] It should be noted that the phrases "one embodiment", "an embodiment", "an exemplary embodiment", "some embodiments", etc. mentioned in the specification indicate that the described embodiments may include certain features, structures or characteristics, but not every embodiment may include the certain features, structures or characteristics. In addition, such phrases do not necessarily refer to the same embodiment. In addition, when describing certain features, structures or characteristics in conjunction with an embodiment, it is within the knowledge of those skilled in the art to implement such features, structures or characteristics in conjunction with other embodiments, whether explicitly or not explicitly described.

[0029] It should be easily understood that “on,” “above,” and “over” in the present disclosure should be interpreted in the broadest manner, so that “on” not only means “directly on something,” but also includes the meaning of “on something” with intervening features or layers therebetween, and “above” or “over” not only includes the meaning of “above” or “over,” but also may include the meaning of “above” or “over something” with no intervening features or layers therebetween (i.e., directly on something).

[0030] In addition, spatially relative terms, such as "below," "below," "beneath," "above," "above," etc., may be used herein for ease of description to describe the relationship of one element or feature relative to other elements or features as shown in the figures. Spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation shown in the figures. The device may have other orientations (rotated 90 degrees or at other orientations), and the spatially relative descriptors used herein may likewise be interpreted accordingly.

[0031] It should be noted that, in this article, relational terms such as "first" and "second" are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "comprise a ..." do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0032] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit it. Although the present application has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or replace some or all of the technical features therein with equivalents. However, these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A waste heat recovery device for RTO waste gas treatment, comprising a waste heat recovery box (1) for RTO waste gas treatment having a cold water inlet (2), a hot water outlet (3), an RTO waste gas inlet (4) and an RTO waste gas outlet (5), characterized in that: A filter structure is provided at the RTO waste gas inlet (4), the filter structure comprising a filter sleeve (6) fixedly connected to the RTO waste gas inlet (4), a filter mechanism and a self-driven cleaning mechanism for cleaning the filter mechanism are provided in the filter sleeve (6), and the bottom of the filter sleeve (6) is connected to the slag discharge mechanism via a slag discharge pipe (10); The filtering mechanism comprises a filter screen (7) fixedly mounted in the filter sleeve (6) on one side close to the RTO exhaust gas inlet (4); The self-driven cleaning mechanism comprises a rotating shaft (8) rotatably connected in the filter sleeve (6), a scraping screw belt (9) in contact with the filter screen (7) is fixedly mounted on the rotating shaft (8), and the filter sleeve (6) is configured in a shuttle shape, and the slag discharge pipe (10) is arranged on the RTO waste gas treatment waste heat recovery box (1) at a position below the scraping screw belt (9) and is fixedly connected to the RTO waste gas treatment waste heat recovery box (1).

2. The waste heat recovery device for RTO waste gas treatment according to claim 1, characterized in that: The slag unloading mechanism comprises a slag unloading tank (12) fixedly connected to the bottom of the slag unloading pipe (10), a slag tilting opening (14) is provided at the bottom of the slag unloading tank (12), a slag shifting frame (13) is rotatably connected in the slag unloading tank (12) and is in sealing and sliding contact with the side wall of the slag unloading tank (12), and a slag tilting motor (15) is fixedly installed on the slag unloading tank (12) and drives the slag shifting frame (13) to rotate.

3. The waste heat recovery device for RTO waste gas treatment according to claim 2, characterized in that: The bottom of the rotating shaft (8) extends into the slag discharge pipe (10), and a support frame (11) is fixedly connected inside the slag discharge pipe (10), and the bottom end of the rotating shaft (8) is rotatably connected to the top end of the support frame (11).

4. The waste heat recovery device for RTO waste gas treatment according to claim 3, characterized in that: Both ends of the slag unloading tank (12) are provided with perspective windows (16).

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