Detachable water-cooling filtering condenser

Abstract

The utility model relates to the technical field of nitriding furnace related equipment, in particular to a detachable water-cooling filtering condenser, a shell comprises an upper cover communicated with a flue gas pipeline and a lower shell matched with the upper cover; the shell further comprises two flange plates which are respectively arranged on the upper cover and the lower shell; bolts are arranged on the two flange plates in a penetrating mode, and the upper cover and the lower shell are fixed by screwing the bolts on the two flange plates. The filter element is detachably connected with the upper cover; the lower shell comprises a cavity, and the filter element is inserted into the cavity of the lower shell; the lower shell is provided with an annular groove, and the annular groove is formed in the attaching face of the lower shell and the upper cover. The annular groove is formed along the edge of the cavity, and a sealing ring is arranged in the annular groove; and the shell is convenient to disassemble and can be kept sealed after being disassembled and assembled for multiple times.

Description

Technical Field

[0001] The present application relates to the technical field of nitriding furnace related equipment, and in particular to a detachable water-cooled filter condenser. Background Art

[0002] The nitriding furnace will produce waste gas containing ammonium chloride during operation. Ammonium chloride is a toxic gas that is harmful to both the human body and the environment. Therefore, it needs to be effectively treated and controlled. Ammonium chloride waste gas condensation method is a common waste gas treatment method used to remove ammonium chloride from waste gas.

[0003] However, the maintenance and cleaning of the existing ammonium chloride filter condenser are relatively complicated, and the life of the filter material of the filter condenser is limited, and it is not economical to replace the filter condenser as a whole. Utility Model Content

[0004] The purpose of this section is to summarize some aspects of the embodiments of the utility model and briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section and the abstract of the specification and the name of the utility model of this application to avoid blurring the purpose of this section, the abstract of the specification and the name of the utility model, and such simplifications or omissions cannot be used to limit the scope of the utility model.

[0005] In view of the problems existing in the above-mentioned prior art, the present utility model is proposed.

[0006] The housing comprises an upper cover connected to the smoke duct, and a lower shell matched with the upper cover;

[0007] The housing further comprises two flanges respectively arranged on the upper cover and the lower housing;

[0008] Bolts are inserted into the two flanges, and the bolts on the two flanges are tightened to fix the upper cover and the lower shell;

[0009] The filter element is detachably connected to the upper cover;

[0010] The lower shell includes a cavity, and the filter element is inserted into the cavity of the lower shell;

[0011] The lower shell is provided with an annular groove, and the annular groove is provided on the fitting surface between the lower shell and the upper cover;

[0012] The annular groove is arranged along the edge of the cavity, and a sealing ring is arranged in the annular groove.

[0013] Firstly, the outer shell is divided into an upper cover and a lower shell, and then the upper and lower parts are fixed with a flange, so that the outer shell of the exhaust gas water-cooled filter condenser is easy to disassemble, and the filter element is easy to replace or clean, thereby extending the service life of the exhaust gas water-cooled filter condenser without direct replacement, which is convenient and economical to use; secondly, an annular groove is arranged in the lower shell, and a sealing ring is arranged in the annular groove, so that the outer shell can remain sealed after multiple disassembly and assembly, thereby further extending the service life of the exhaust gas water-cooled filter condenser.

[0014] Preferably, flange flanges are provided at the fitting surfaces of the upper cover and the lower shell; the two flange plates are pressed on the flange flanges of the upper cover and the lower shell respectively; by providing flange flanges on the upper cover and the lower shell, it is convenient for the two flange plates to press the flange flanges to press the upper cover and the lower shell tightly, thereby ensuring their sealing.

[0015] Preferably, it also includes a pressure gauge, the sensing end of which is arranged in the cavity; the pressure of the inner cavity is detected by the pressure gauge to prevent the continuous input of exhaust gas after the filter is blocked, causing leakage of exhaust gas and pollution.

[0016] Preferably, the lower shell is also provided with a drain valve, and the drain valve is arranged at the bottom end of the lower shell; by providing the drain valve, water can be opened to flush the cavity, and the crystallized ammonium chloride can be flushed off the filter screen, thereby extending the service life of the filter screen.

[0017] Preferably, the distance between the annular grooves is 1-3 mm; and the depth of the annular grooves is 2-4 mm.

[0018] The sealing ring is made of fluororubber; the diameter of the fluororubber is 4-8mm; the sealing is set to ensure that the sealing inside the shell will not leak, and the fluororubber has the characteristics of high temperature resistance, and fluororubber also has excellent chemical stability and corrosion resistance, and can resist many corrosive media, including ammonium fluoride or ammonia water.

[0019] Preferably, the upper cover includes a smoke inlet and a smoke outlet, the smoke inlet leads into the cavity, and the smoke outlet of the upper cover is connected to the inner cavity of the filter element; the smoke inlet and the smoke outlet are threadedly connected to the upper cover; by arranging the smoke inlet and the smoke outlet, the waste gas water-cooled filter condenser is conveniently connected to the waste gas pipe, and after filtering the waste gas, the filtered gas is reused or subjected to the next purification treatment to prevent the emission of waste gas containing pollutants.

[0020] Preferably, a cooling water interlayer is provided in the inner wall of the lower shell, and the cooling water interlayer is provided with a water pipe, and the water pipe is connected to the cooling water circuit. By providing the cooling water interlayer connected to the cooling water circuit, the temperature of the inner cavity of the lower shell is ensured to be low enough, so that the high-temperature exhaust gas can be cooled down, and the ammonium fluoride in the exhaust gas can be crystallized and filtered out by the filter. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the following briefly introduces the drawings required for the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative labor. Among them:

[0022] Figure 1 A schematic diagram of the overall structure of a detachable water-cooled filter condenser according to an embodiment of the utility model;

[0023] Figure 2 A detachable water-cooled filter condenser according to an embodiment of the utility model Figure 1 Side structural diagram;

[0024] Figure 3 The present invention is a schematic diagram of the structure of the flange connection in a detachable water-cooled filter condenser according to an embodiment of the present invention. DETAILED DESCRIPTION

[0025] In order to make the above-mentioned purposes, features and advantages of the present invention more understandable, the specific implementation methods of the present invention are described in detail below in conjunction with the accompanying drawings.

[0026] In the following description, many specific details are set forth to facilitate a full understanding of the present invention, but the present invention may also be implemented in other ways different from those described herein, and those skilled in the art may make similar generalizations without violating the connotation of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed below.

[0027] Secondly, the present invention is described in detail with reference to the schematic diagram. When describing the embodiments of the present invention, for the sake of convenience, the cross-sectional diagrams showing the device structure will not be partially enlarged according to the general proportion, and the schematic diagrams are only examples, which should not limit the scope of protection of the present invention. In addition, in actual production, the three-dimensional dimensions of length, width and depth should be included.

[0028] Secondly, the "one embodiment" or "embodiment" referred to herein refers to a specific feature, structure or characteristic that can be included in at least one implementation of the utility model. The "in one embodiment" that appears in different places in this specification does not refer to the same embodiment, nor is it a separate or selective embodiment that is mutually exclusive with other embodiments.

[0029] Example 1

[0030] Reference Figure 1 to Figure 3This embodiment provides a detachable water-cooled filter condenser, including a shell 1, and a filter element 4 is arranged in the shell 1.

[0031] The housing 1 includes an upper cover 2 connected to the flue gas duct, and a lower housing 3 matched with the upper cover 2; the housing 1 also includes two flanges 5 respectively arranged on the upper cover 2 and the lower housing 3; bolts are inserted through the two flanges 5, and the upper cover 2 and the lower housing 3 are fixed by tightening the bolts on the two flanges 5. The filter element 4 is detachably connected to the upper cover 2; the lower housing 3 includes a cavity, and the filter element 4 is inserted into the cavity of the lower housing 3; the lower housing 3 is provided with an annular groove, which is arranged on the fitting surface of the lower housing 3 and the upper cover 2; the annular groove is arranged along the edge of the cavity. A sealing ring 8 is arranged in the annular groove; by dividing the outer shell 1 into an upper cover 2 and a lower shell 3, and then fixing the upper and lower parts with a flange 5, the outer shell 1 of the exhaust gas water-cooled filter condenser is convenient to disassemble, and the filter element 4 is convenient to replace or clean, thereby extending the service life of the exhaust gas water-cooled filter condenser without direct replacement, which is convenient and economical to use; secondly, an annular groove is arranged in the lower shell 3, and a sealing ring 8 is arranged in the annular groove, so that the outer shell 1 can remain sealed after multiple disassembly and assembly, thereby further extending the service life of the exhaust gas water-cooled filter condenser.

[0032] Flange flanges are provided at the fitting surfaces of the upper cover 2 and the lower shell 3; two flange plates 5 are pressed on the flange flanges of the upper cover 2 and the lower shell 3 respectively; by providing flange flanges on the upper cover 2 and the lower shell 3, it is convenient for the two flange plates 5 to press the flange flanges to press the upper cover 2 and the lower shell 3 tightly to ensure their sealing.

[0033] It also includes a pressure gauge 6, the sensing end of which is arranged in the cavity; the pressure of the inner cavity is detected by the pressure gauge 6 to prevent the waste gas from being continuously input after the filter is blocked, causing the waste gas to leak and cause pollution.

[0034] The lower shell 3 is also provided with a drain valve 7, which is arranged at the bottom of the lower shell 3; by providing the drain valve 7, the drain valve 7 can be opened to flush water into the cavity to flush the crystallized ammonium chloride from the filter screen, thereby extending the service life of the filter screen.

[0035] The distance between the annular grooves is 1-3 mm; the depth of the annular grooves is 2-4 mm.

[0036] The sealing ring 8 is made of fluororubber; the diameter of the fluororubber is 4-8mm; the sealing is set to ensure that the sealing inside the housing 1 will not leak, and the fluororubber has the characteristics of high temperature resistance, and the fluororubber also has excellent chemical stability and corrosion resistance, and can resist many corrosive media, including ammonium fluoride or ammonia water.

[0037] When in use, first put the sealing ring 8 into the annular groove of the lower shell 3, install the filter on the upper cover 2, and then respectively sleeve the two flanges 5 on the flanges of the upper cover 2 and the lower shell 3, tighten the bolts on the two flanges 5 to fix the upper cover 2 and the lower shell 3, and after the outer shell 1 is assembled, it is connected to the flue gas exhaust pipe for use; when the pressure detected by the pressure gauge 6 during use continues to rise and exceeds the warning pressure, the filter is blocked, and the drain valve 7 can be opened to flush the inside of the cavity with pressurized water. If the pressure exceeds the standard for multiple consecutive times, or the filtration of ammonia fluoride does not meet the standard, open the connected flange 5 for replacement; it is convenient to disassemble and repair, and there is no need to replace the filter condenser frequently, which is convenient to use and economical.

[0038] Example 2

[0039] Reference Figure 1 and Figure 2 , which is the second embodiment of the utility model, and this embodiment is based on the previous embodiment.

[0040] The upper cover 2 includes a smoke inlet and a smoke outlet, the smoke inlet leads into the cavity, and the smoke outlet of the upper cover 2 is connected to the inner cavity of the filter element 4; the smoke inlet and the smoke outlet are threadedly connected to the upper cover 2; by setting the smoke inlet and the smoke outlet, the waste gas water-cooled filter condenser is conveniently connected to the waste gas pipeline, and after filtering the waste gas, the filtered gas is reused or subjected to the next purification treatment to prevent the emission of waste gas containing pollutants.

[0041] A cooling water interlayer is provided in the inner wall of the lower shell 3, and a water pipe is provided in the cooling water interlayer, and the water pipe is connected to the cooling water circuit. By providing the cooling water interlayer connected to the cooling water circuit, the temperature of the inner cavity of the lower shell 3 is ensured to be low enough, so that the high-temperature exhaust gas can be cooled down, and the ammonium fluoride in the exhaust gas can be crystallized and filtered out by the filter.

[0042] When in use, the flue gas inlet is connected to the exhaust gas discharge pipe of the nitriding furnace, and the flue gas outlet is then connected to the gas circulation loop for reuse, or connected to a further purification treatment device for purification, and the water pipe is connected to the cooling water loop. There are two water pipes in the cooling water interlayer, and cold water can be continuously injected into the cooling water interlayer and the hot water in the cooling water interlayer can be discharged and cooled to ensure that the waste gas water-cooled filter condenser continuously crystallizes ammonium fluoride and filters the crystals with a filter.

[0043] Importantly, it should be noted that the construction and arrangement of the present application shown in a plurality of different exemplary embodiments are only exemplary. Although only a few embodiments are described in detail in this disclosure, it should be readily understood by those who refer to this disclosure that many modifications are possible (e.g., the size, scale, structure, shape and ratio of various elements, and parameter values ​​(e.g., temperature, pressure, etc.), installation arrangements, use of materials, color, directional changes, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in the application. For example, the element shown as integrally formed can be composed of multiple parts or elements, the position of the element can be inverted or otherwise changed, and the nature or number or position of the discrete element can be changed or changed. Therefore, all such modifications are intended to be included in the scope of the present utility model. The order or sequence of any process or method steps can be changed or reordered according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure described herein that performs the function, and is not only structurally equivalent but also an equivalent structure. Without departing from the scope of the present invention, other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments. Therefore, the present invention is not limited to a specific embodiment, but extends to various modifications that still fall within the scope of the appended claims.

[0044] Additionally, in order to provide a concise description of example embodiments, all features of an actual embodiment (ie, those features that are not relevant to the best mode presently contemplated for carrying out the invention or those that are not relevant to implementing the invention) may not be described.

[0045] It will be appreciated that in the development of any actual implementation, as in any engineering or design project, numerous implementation-specific decisions may be made. Such a development effort may be complex and time-consuming, but will be a routine task of design, fabrication, and production for those of ordinary skill having the benefit of this disclosure without undue experimentation.

[0046] It should be noted that the above embodiments are only used to illustrate the technical solution of the utility model rather than to limit it. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in the field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the spirit and scope of the technical solution of the utility model, which should be included in the scope of the claims of the utility model.

Claims

1. A detachable water-cooled filter condenser, comprising a housing, a filter element being arranged in the housing, characterized in that: The housing comprises an upper cover connected to the smoke duct, and a lower shell matched with the upper cover; The housing further comprises two flanges respectively arranged on the upper cover and the lower housing; Bolts are inserted into the two flanges, and the bolts on the two flanges are tightened to fix the upper cover and the lower shell; The filter element is detachably connected to the upper cover; The lower shell includes a cavity, and the filter element is inserted into the cavity of the lower shell; The lower shell is provided with an annular groove, and the annular groove is provided on the fitting surface between the lower shell and the upper cover; The annular groove is arranged along the edge of the cavity, and a sealing ring is arranged in the annular groove.

2. The detachable water-cooled filter condenser according to claim 1, characterized in that: The fitting surfaces of the upper cover and the lower shell are both provided with flange flanges; The two flange plates are pressed on the flange flanges of the upper cover and the lower shell respectively.

3. The detachable water-cooled filter condenser according to claim 2, characterized in that: It also includes a pressure gauge, and the sensing end of the pressure gauge is arranged in the cavity.

4. The detachable water-cooled filter condenser according to claim 3, characterized in that: The lower shell is also provided with a sewage valve, and the sewage valve is arranged at the bottom end of the lower shell.

5. The detachable water-cooled filter condenser according to claim 4, characterized in that: The distance between the annular grooves is 1-3 mm; The depth of the annular groove is 2-4 mm.

6. The detachable water-cooled filter condenser according to claim 5, characterized in that: The sealing ring is made of fluororubber; The diameter of the fluororubber is 4-8 mm.

7. The detachable water-cooled filter condenser according to claim 6, characterized in that: The upper cover comprises a smoke inlet and a smoke outlet, the smoke inlet leads into the cavity, and the smoke outlet of the upper cover is connected to the inner cavity of the filter element; The smoke inlet and the smoke outlet are threadedly connected to the upper cover.

8. The detachable water-cooled filter condenser according to claim 7, characterized in that: A cooling water interlayer is arranged in the inner wall of the lower shell, and a water pipe is arranged in the cooling water interlayer, and the water pipe is connected to the cooling water circuit.

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