CN224034472U - Waste heat recovery equipment - Google Patents

Abstract

The utility model discloses waste heat recovery equipment, which comprises a heat exchanger body, wherein two ends of the heat exchanger body are respectively provided with an air inlet frame and an air outlet pipe, an air inlet pipe is arranged on the air inlet frame, a filter box is arranged on the air inlet pipe, a filter tank is arranged in the filter box, three filter frames are arranged in the filter tank, a primary filter screen, a precise filter screen and an adsorption filter layer are respectively arranged in the three filter frames, the bottom of the filter box is provided with an installation notch, a sealing cover plate is nested in the installation notch, and a fixing mechanism is arranged between the sealing cover plate and the filter box. According to the utility model, through the primary filter screen, the precise filter screen and the adsorption filter layer structure in the filter tank, the waste gas passing through the air inlet pipe can be subjected to stable filtering operation, impurity impurities and fine particles doped in the waste gas can be subjected to stable filtering operation, the working efficiency of the heat exchanger is effectively ensured, and meanwhile, the cleaning frequency of the heat exchanger can be reduced.

Description

Waste heat recovery equipment

Technical Field

The utility model relates to the technical field of heat energy recovery, in particular to waste heat recovery equipment.

Background

A heat exchanger, which is a device for transferring part of heat of hot fluid to cold fluid, is also called heat exchanger, and plays an important role in chemical industry, petroleum, power, food and other industrial production, and is a common waste heat recovery device, and in some chemical industries, waste gas generated after combustion still contains a large amount of waste heat, and in order to reduce heat energy loss, waste heat recovery device is needed to be used for heat energy recovery and reutilization;

The existing waste heat recovery equipment is used, when the waste heat recovery equipment is used, the air inlet position of the waste heat recovery equipment is mostly lack of a waste gas filtering treatment structure, so that when the waste heat recovery equipment is used, doped impurities and impurities in waste gas can follow into a heat exchange tube in a heat exchanger, the accumulation condition is easy to form on the inner wall of the heat exchange tube, the heat exchange efficiency of the heat exchange tube can be reduced due to the accumulated impurities and impurities for a long time, the working efficiency of the whole heat exchanger is affected, and once the impurity and impurities in the waste gas are large in quantity, the overhaul cleaning frequency of the heat exchanger can be greatly increased.

Disclosure of utility model

The utility model aims to solve the defects in the prior art and provides waste heat recovery equipment.

In order to achieve the aim, the waste heat recovery device adopts the following technical scheme that the waste heat recovery device comprises a heat exchanger body, wherein two ends of the heat exchanger body are respectively provided with an air inlet frame and an air outlet pipe, the air inlet frame is provided with an air inlet pipe, the air inlet pipe is provided with a filter box, the filter box is internally provided with a filter tank, three filter frames are arranged in the filter tank, a primary filter screen, a precise filter screen and an adsorption filter layer are respectively arranged in the three filter frames, the bottom of the filter box is provided with an installation notch, a sealing plate is nested in the installation notch, and a fixing mechanism is arranged between the sealing plate and the filter box;

The fixing mechanism comprises a movable groove arranged on the sealing cover plate and a pin groove arranged on the inner wall of the installation notch, a pin block is slidably connected in the movable groove, a spring is connected between the inner wall of the movable groove and one end of the pin block, a connecting block is fixedly connected on the pin block, and a pushing block is fixedly connected on the connecting block.

As a further description of the above technical solution:

The inner side wall of the filter tank is fixedly connected with three groups of positioning guide rails, and the three filter frames and the three groups of positioning guide rails are arranged in a corresponding nested sliding fit manner.

As a further description of the above technical solution:

The top of the sealing cover plate is fixedly connected with a sealing block, and the sealing block and the filter tank are in nested matching.

As a further description of the above technical solution:

The bottom of the cover plate is fixedly connected with a handle.

As a further description of the above technical solution:

The pin block and the pin groove are in nested matching, and one side of the top of the pin block is in an inclined surface mode.

As a further description of the above technical solution:

one side of the bottom of the pushing block is provided with an inclined surface.

As a further description of the above technical solution:

The bottom of the inner wall of the movable groove is provided with a guide groove, and the connecting block is in nested sliding connection with the guide groove.

The utility model has the following beneficial effects:

This waste heat recovery equipment through setting up primary filter screen, precision filter screen and the adsorption filtration layer structure on three filtration frame in the filter vat, can carry out a stable filtration work to the waste gas through the intake pipe, can carry out stable filtration work with impurity debris and tiny granule doped in the waste gas, thereby can avoid this kind of impurity debris to get into behind the heat exchanger and form the condition of piling up and influencing the heat exchange tube heat exchange inefficiency in its inside, effectively guaranteed the work efficiency of heat exchanger, simultaneously also can reduce the clearance frequency of heat exchanger, through the setting of installation notch, the closing cap board, fixed establishment, can carry out a stable closed work to the filter box bottom opening position, simultaneously also can be convenient dismantlement and open, can conveniently take out the filter frame structure in the filter vat and clear up or change work, the structure dismouting easy operation, very big promotion the convenience of filter box structure clearance work.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a waste heat recovery device according to the present utility model;

fig. 2 is a front view of a waste heat recovery device according to the present utility model;

Fig. 3 is a front view of a structure of a filtering box of the waste heat recovery device according to the present utility model;

fig. 4 is an enlarged view of a waste heat recovery apparatus according to the present utility model shown in fig. 3.

Legend description:

1. A heat exchanger body; 2, an air inlet frame, 3, an air exhaust pipe, 4, an air inlet pipe, 5, a filter box, 6, a filter tank, 7, a positioning guide rail, 8, a filter frame, 9, a primary filter screen, 10, a precise filter screen, 11, an adsorption filter layer, 12, an installation notch, 13, a cover plate, 14, a sealing block, 15, a handle, 16, a movable tank, 17, a pin block, 18, a spring, 19, a pin slot, 20, a push block, 21, a connecting block, 22 and a guide slot.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like are merely for convenience of description and to simplify the description, but rather to indicate or imply that the apparatus or elements being referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the utility model, and that the terms "first," "second," "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance, and that, unless otherwise explicitly stated or defined, the terms "mounted," "connected," or "connected" should be construed broadly, e.g., as being either fixedly connected, detachably connected, or integrally connected, as being either mechanically connected, as being either directly connected, as being indirectly connected through intermediate media, or as being in communication with the inside of two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1-4, one embodiment provided by the present utility model is: the waste heat recovery equipment comprises a heat exchanger body 1, wherein two ends of the heat exchanger body 1 are respectively provided with an air inlet frame 2 and an air outlet pipe 3, the heat exchanger is a conventional technical product, a water storage cavity is arranged in the heat exchanger, an inlet and an outlet communicated with the water storage cavity are arranged at the top of the heat exchanger, heat exchange pipes are arranged in the water storage cavity in a penetrating manner, the heat exchange pipes are respectively communicated to an air inlet position and an air outlet position, when high-temperature waste gas enters the heat exchange pipes, heat exchange can be carried out between the heat exchange pipes and a water body in the water storage cavity, waste heat recovery work is realized, the conventional technical product is not repeated, an air inlet pipe 4 is arranged on the air inlet frame 2, a filter box 5 is arranged on the air inlet pipe 4, a filter tank 6 is arranged in the filter box 5, the air inlet pipe 4 is communicated to two side positions in the filter tank 6, so that the waste gas can stably pass through the filter tank 6, the filtering tank 6 is internally provided with three filtering frames 8 in cooperation with the whole structure, the three filtering frames 8 are respectively provided with a primary filter screen 9, a precise filter screen 10 and an adsorption filter layer 11, the primary filter screen 9 can carry out primary filtering operation on some larger impurity impurities in the waste gas, the precise filter screen 10 and the adsorption filter layer 11 can carry out deep filtering operation, some fine particles are adsorbed and filtered, the whole filtering structure can realize deep filtering treatment on the waste gas, thereby avoiding the occurrence of accumulation blocking caused by the impurity impurities in the waste gas entering the heat exchanger, avoiding the situation that the accumulation blocking influences the heat exchange efficiency, simultaneously reducing the cleaning frequency of the heat exchanger, arranging a mounting notch 12 at the bottom of the filtering box 5, arranging a sealing plate 13 in the mounting notch 12 in a nested way, a fixing mechanism is arranged between the sealing cover plate 13 and the filter box 5, the bottom of the filter box 5 is provided with an opening type mounting notch 12, the sealing cover plate 13 can play a sealing effect on the opening position of the bottom, the sealing cover plate 13 can be stably sealed and fixed by matching with the fixing mechanism, and meanwhile, the sealing cover plate 13 can be normally opened, so that the structure of the filter frame 8 can be conveniently cleaned;

The fixing mechanism comprises a movable groove 16 arranged on the cover plate 13 and a pin groove 19 arranged on the inner wall of the mounting notch 12, a pin block 17 is connected in the movable groove 16 in a sliding manner, a spring 18 is connected between the inner wall of the movable groove 16 and one end of the pin block 17, a connecting block 21 is fixedly connected to the pin block 17, a push block 20 is fixedly connected to the connecting block 21, a guide groove 22 is arranged at the bottom of the inner wall of the movable groove 16, the connecting block 21 and the guide groove 22 are in nested sliding connection, the pin block 17 and the pin groove 19 are in nested matching manner, one side of the top of the pin block 17 is in an inclined surface form, the bottom of the push block 20 is in an inclined surface form, the cover plate 13 is inserted into the mounting notch 12 during mounting, the inclined surface of the top of the pin block 17 contacts the inner wall of the mounting notch 12, the inclined surface can play a guiding effect through extrusion, the pin block 17 is enabled to slide and shrink into the movable groove 16 to compress the spring 18, after the pin block 17 is clamped into the mounting notch 12, the spring 18 is reset to push the pin block 17 into the pin groove 19, positioning mounting of the fixing mechanism can be completed, the sliding push block 20 is enabled, and the pin block 20 is driven by the push block 21 to move away from the pin block 19, and the fixing mechanism can be dismounted.

The three locating guide rails 7 of filter tank 6 inside wall fixedly connected with, for corresponding nested sliding fit setting between three filter frames 8 and the three locating guide rails 7, the setting of this structure can make filter frames 8 can stable location install in filter tank 6.

The top fixedly connected with shutoff piece 14 of closing cap 13, for nested cooperation setting between shutoff piece 14 and the filter tank 6, shutoff piece 14 is the rubber material, can play a sealed effect to the filter tank 6 bottom after closing cap 13 installs like this.

The handle 15 is fixedly connected to the bottom of the cover plate 13, and the handle 15 is arranged to facilitate the disassembly and assembly operation of the cover plate 13.

When the waste heat recovery device is used, when waste gas enters the filter box 5 through the air inlet pipe 4, the waste gas sequentially passes through the primary filter screen 9, the precise filter screen 10 and the adsorption filter layer 11, so that stable filtering work can be carried out on some impurity impurities and particle impurities in the waste gas, the filtered waste gas enters the heat exchanger through the air inlet frame 2 to carry out heat exchange work, thus recycling work of waste heat can be realized, when the structure of the filter box 5 needs to be cleaned, the fixing mechanism is opened, the cover plate 13 is detached, the filter frame 8 is pulled, the waste gas is pulled out from the filter tank 6, cleaning or replacement work can be conveniently carried out, and after the cleaning is finished, the structure of the filter frame 8 can be reinstalled into the filter box 5 in the same way.

It should be noted that the foregoing description is only a preferred embodiment of the present utility model, and although the present utility model has been described in detail with reference to the foregoing embodiments, it should be understood that modifications, equivalents, improvements and modifications to the technical solution described in the foregoing embodiments may occur to those skilled in the art, and all modifications, equivalents, and improvements are intended to be included within the spirit and principle of the present utility model.

Claims (7)

1. The waste heat recovery device comprises a heat exchanger body (1) and is characterized in that two ends of the heat exchanger body (1) are respectively provided with an air inlet frame (2) and an air outlet pipe (3), an air inlet pipe (4) is arranged on the air inlet frame (2), a filter box (5) is arranged on the air inlet pipe (4), a filter tank (6) is arranged in the filter box (5), three filter frames (8) are arranged in the filter tank (6), a primary filter screen (9), a precise filter screen (10) and an adsorption filter layer (11) are respectively arranged in the three filter frames (8), an installation notch (12) is formed in the bottom of the filter box (5), a cover plate (13) is arranged in the installation notch (12) in a nested mode, and a fixing mechanism is arranged between the cover plate (13) and the filter box (5);

The fixing mechanism comprises a movable groove (16) arranged on the cover plate (13) and a pin groove (19) arranged on the inner wall of the mounting notch (12), a pin block (17) is connected in the movable groove (16) in a sliding mode, a spring (18) is connected between the inner wall of the movable groove (16) and one end of the pin block (17), a connecting block (21) is fixedly connected on the pin block (17), and a pushing block (20) is fixedly connected on the connecting block (21).

2. The waste heat recovery device according to claim 1, wherein three groups of positioning guide rails (7) are fixedly connected to the inner side wall of the filter tank (6), and the three filter frames (8) and the three groups of positioning guide rails (7) are arranged in a corresponding nested sliding fit manner.

3. The waste heat recovery device according to claim 1, wherein the top of the cover plate (13) is fixedly connected with a plugging block (14), and the plugging block (14) and the filtering tank (6) are in nested matching arrangement.

4. A waste heat recovery device according to claim 1, wherein a handle (15) is fixedly connected to the bottom of the cover plate (13).

5. A waste heat recovery device according to claim 1, wherein the pin block (17) and the pin groove (19) are arranged in a nested fit, and the top side of the pin block (17) is arranged in an inclined surface.

6. A waste heat recovery apparatus according to claim 1, wherein the bottom side of the push block (20) is provided in the form of an inclined surface.

7. The waste heat recovery device according to claim 1, wherein a guide groove (22) is formed in the bottom of the inner wall of the movable groove (16), and the connecting block (21) is in nested sliding connection with the guide groove (22).