Waste flue gas heat recovery device

Abstract

The utility model provides a waste flue gas heat recovery device which comprises a device body, the right side of the device body is connected with an outlet pipe, the left side of the device body is connected with a treatment box, the lower end of the treatment box is connected with a connecting shell, and the left side of the connecting shell is in contact with a first sealing plate. And a first bolt is arranged on the first sealing plate in a penetrating mode, one end of the first bolt is in threaded connection to the connecting shell, and the left side of the treatment box is connected with an inlet pipe. Waste flue gas enters the treatment box through the inlet pipe and impacts on the second partition plate in the flowing process under the action of the arranged second partition plate, part of particle impurities are separated from the waste flue gas, then the waste flue gas is further filtered through the filter screen, the particle impurities in the waste flue gas entering the device body are reduced, and the waste flue gas purification effect is improved. And particle impurities in waste flue gas attached to the heat exchange pipes are reduced, the second sealing plate is taken down, and the interior of the device body can be conveniently cleaned and maintained.

Description

Technical Field

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

[0002] A waste heat recovery device (also known as a waste heat recovery unit) uses a heat exchanger as its main component to transfer excess heat generated by one device to another device for heating or energy conversion. It is an economical and environmentally friendly device that can be used to recover heat from waste flue gas or waste liquid.

[0003] At present, when heat recovery is used for waste flue gas, due to the presence of particulate impurities in the waste flue gas, the particulate impurities adhere to the outside of the heat exchange tube during heat exchange. Long-term accumulation can easily affect the heat exchange effect and make cleaning and maintenance inconvenient.

[0004] In summary, there is a need for a waste flue gas heat recovery device. Utility Model Content

[0005] In view of the deficiencies of the prior art, the utility model provides a waste flue gas heat recovery device, which solves the problems mentioned in the background technology.

[0006] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0007] A waste flue gas heat recovery device includes a device body, an outlet pipe is connected to the right side of the device body, a treatment box is connected to the left side of the device body, a connecting shell is connected to the lower end of the treatment box, the left side of the connecting shell is in contact with a first sealing plate, a first bolt is penetrated through the first sealing plate, one end of the first bolt is threadedly connected to the connecting shell, and an inlet pipe is connected to the left side of the treatment box.

[0008] Furthermore, the device body includes a first partition, the inner wall of the device body is provided with the first partition, and the first partition is staggered left and right in the device body.

[0009] Furthermore, the device body also includes an infusion tube, the infusion tube is penetrated through the device body, and a baffle is provided on the inner wall of the infusion tube.

[0010] Furthermore, the device body also includes an inspection port, which is arranged on both the front and rear sides of the device body, the outer end of the inspection port is in contact with the second sealing plate, a second bolt is penetrated through the second sealing plate, and the inner end of the second bolt passes through the inspection port and is threadedly connected to a nut.

[0011] Furthermore, the processing box includes a second partition, the second partition is arranged inside the processing box, a filter screen is arranged through the lower end of the processing box, and the filter screen is arranged on the right side of the second partition.

[0012] Furthermore, the processing box also includes a sealing pull plate, the lower end of the filter is connected to the sealing pull plate, the sealing pull plate is in contact with the lower end of the processing box, the sealing pull plate is arranged on the right side of the connecting shell, and a third bolt is penetrated on the sealing pull plate, and one end of the third bolt is threadedly connected to the processing box.

[0013] The utility model provides a waste flue gas heat recovery device. Compared with the prior art, it has the following features:

[0014] Beneficial effects:

[0015] First, the waste flue gas enters the treatment box through the inlet pipe. Under the action of the second partition, the waste flue gas flows and hits the second partition, so that some particulate impurities are separated from the waste flue gas. The waste flue gas is further filtered and processed through the filter to reduce the particulate impurities in the waste flue gas from entering the device body and the particulate impurities in the waste flue gas from adhering to the heat exchange tubes, thereby reducing the impact of the particulate impurities on the heat exchange effect. The second bolts and nuts can be disassembled regularly to remove the second sealing plate for easy cleaning and maintenance of the device body, thereby further reducing the impact of particulate impurities in the waste flue gas on the heat exchange. The baffle set in the infusion tube helps to prolong the flow of liquid in the infusion tube, and the first partition set in the device body prolongs the flow of waste flue gas in the device body, so that the waste flue gas and the liquid in the infusion tube can be more fully exchanged with heat. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 The schematic diagram of the front cross-sectional structure of the device body of the utility model is shown;

[0018] Figure 2 The schematic diagram of the front view structure of the device of the utility model is shown;

[0019] Figure 3 The schematic diagram of the front cross-sectional structure of the processing box of the utility model is shown;

[0020] Figure 4 The right side structural schematic diagram of the inspection port and the second sealing plate of the utility model is shown;

[0021] Figure 5 The schematic diagram of the structure of the infusion tube and the baffle of the utility model is shown;

[0022] As shown in the figure: 1. Device body; 101. First partition; 102. Infusion tube; 103. Baffle; 104. Inspection port; 105. Second sealing plate; 106. Second bolt; 107. Nut; 2. Outlet pipe; 3. Processing box; 301. Second partition; 302. Filter; 303. Sealing pull plate; 304. Third bolt; 4. Connecting shell; 5. First sealing plate; 6. First bolt; 7. Inlet pipe. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the embodiments of the utility model clearer, the technical solution in the embodiments of the utility model is described clearly and completely. Obviously, the described embodiments are part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of 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.

[0024] Embodiment 1

[0025] In order to solve the technical problems in the background technology, a waste flue gas heat recovery device is provided as follows:

[0026] Combination Figure 1-Figure 5 As shown, the utility model provides a waste flue gas heat recovery device, including a device body 1, an outlet pipe 2 is connected to the right side of the device body 1, a processing box 3 is connected to the left side of the device body 1, a connecting shell 4 is connected to the lower end of the processing box 3, the left side of the connecting shell 4 is in contact with a first sealing plate 5, a first bolt 6 is penetrated through the first sealing plate 5, one end of the first bolt 6 is threadedly connected to the connecting shell 4, and an inlet pipe 7 is connected to the left side of the processing box 3.

[0027] By dismantling the first bolt 6 and removing the first sealing plate 5 , it is convenient to clean the particulate impurities accumulated in the connecting shell 4 .

[0028] In this embodiment, the device body 1 includes a first partition 101, the inner wall of the device body 1 is provided with the first partition 101, the first partition 101 is staggered left and right in the device body 1, the device body 1 also includes an infusion tube 102, the infusion tube 102 is penetrated in the device body 1, and a baffle 103 is provided on the inner wall of the infusion tube 102.

[0029] The baffle 103 helps to prolong the flow of liquid in the infusion tube 102 and improve its heat exchange.

[0030] Embodiment 2

[0031] like Figure 1-Figure 5 As shown, based on the above embodiment, this embodiment further provides the following contents:

[0032] In this embodiment, the device body 1 also includes an inspection port 104, and the inspection port 104 is set on the front and rear sides of the device body 1. The outer end of the inspection port 104 is in contact with the second sealing plate 105. A second bolt 106 is penetrated on the second sealing plate 105. The inner end of the second bolt 106 penetrates the inspection port 104 and is threadedly connected to a nut 107.

[0033] The second sealing plate 105 can be removed by disassembling the second bolt 106 and the nut 107 , so as to facilitate cleaning and maintenance of the device body 1 .

[0034] Embodiment 3

[0035] like Figure 1-Figure 5 As shown, based on the above embodiment, this embodiment further provides the following contents:

[0036] In this embodiment, the processing box 3 includes a second partition plate 301, and the second partition plate 301 is arranged inside the processing box 3. A filter screen 302 is arranged through the lower end of the processing box 3, and the filter screen 302 is arranged on the right side of the second partition plate 301. The processing box 3 also includes a sealing pull plate 303, and the lower end of the filter screen 302 is connected to the sealing pull plate 303. The sealing pull plate 303 is in contact with the lower end of the processing box 3, and the sealing pull plate 303 is arranged on the right side of the connecting shell 4. A third bolt 304 is arranged through the sealing pull plate 303, and one end of the third bolt 304 is threadedly connected to the processing box 3.

[0037] Under the action of the second partition plate 301, the waste flue gas flows and impacts the second partition plate 301, which helps to separate some particulate impurities from the waste flue gas.

[0038] The working principle and use process of this utility model:

[0039] In use:

[0040] Step 1: The waste flue gas enters the treatment box 3 through the inlet pipe 7. Under the action of the second partition 301, the waste flue gas flows and impacts the second partition 301, which helps to separate some particulate impurities from the waste flue gas, and then the waste flue gas is further filtered and processed through the filter 302.

[0041] Step 2: The treated waste flue gas enters the device body 1 and exchanges heat with the liquid flowing in the infusion tube 102. The baffle 103 arranged in the infusion tube 102 helps to prolong the flow of the liquid in the infusion tube 102, and the first partition 101 arranged in the device body 1 prolongs the flow of the waste flue gas in the device body 1, so that the waste flue gas and the liquid in the infusion tube 102 can exchange heat more fully.

[0042] Step 3: Regularly, remove the first sealing plate 5 by disassembling the first bolt 6 to facilitate the cleaning of particulate impurities accumulated in the connecting shell 4, remove the second sealing plate 105 by disassembling the second bolt 106 and the nut 107 to facilitate cleaning and maintenance of the device body 1, remove the third bolt 304, and pull out the filter 302 through the sealing pull plate 303 for cleaning and maintenance.

[0043] It should be noted that, in this article, relational terms such as first and second, etc. 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.

[0044] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A waste flue gas heat recovery device, characterized in that: The invention comprises a device body (1), wherein the right side of the device body (1) is connected to an outlet pipe (2), the left side of the device body (1) is connected to a processing box (3), the lower end of the processing box (3) is connected to a connecting shell (4), the left side of the connecting shell (4) is in contact with a first sealing plate (5), a first bolt (6) is passed through the first sealing plate (5), one end of the first bolt (6) is threadedly connected to the connecting shell (4), and the left side of the processing box (3) is connected to an inlet pipe (7).

2. The waste flue gas heat recovery device according to claim 1, characterized in that: The device body (1) comprises a first partition (101), the inner wall of the device body (1) is provided with the first partition (101), and the first partition (101) is staggeredly arranged left and right inside the device body (1).

3. The waste flue gas heat recovery device according to claim 1, characterized in that: The device body (1) further comprises a liquid infusion tube (102). The liquid infusion tube (102) is arranged through the device body (1), and a baffle (103) is arranged on the inner wall of the liquid infusion tube (102).

4. The waste flue gas heat recovery device according to claim 1, characterized in that: The device body (1) further comprises an inspection port (104), and the inspection port (104) is arranged on both the front and rear sides of the device body (1), the outer end of the inspection port (104) is in contact with a second sealing plate (105), a second bolt (106) is penetrated through the second sealing plate (105), and the inner end of the second bolt (106) penetrates the inspection port (104) and is threadedly connected to a nut (107).

5. The waste flue gas heat recovery device according to claim 1, characterized in that: The processing box (3) comprises a second partition (301), the second partition (301) is arranged inside the processing box (3), a filter screen (302) is arranged through the lower end of the processing box (3), and the filter screen (302) is arranged on the right side of the second partition (301).

6. The waste flue gas heat recovery device according to claim 5, characterized in that: The processing box (3) also includes a sealing pull plate (303), the lower end of the filter (302) is connected to the sealing pull plate (303), the sealing pull plate (303) and the lower end of the processing box (3) are in contact, the sealing pull plate (303) is arranged on the right side of the connecting shell (4), and a third bolt (304) is penetrated on the sealing pull plate (303), and one end of the third bolt (304) is threadedly connected to the processing box (3).

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