Bag filter pulse valve group heat tracing box

Abstract

The utility model discloses a heat tracing box for a bag filter pulse valve group. The heat tracing box is of a rectangular box body structure defined by a heat preservation front plate, a heat preservation back plate, a heat preservation top plate, a heat preservation bottom plate, a left side heat preservation plate and a right side heat preservation plate. Wherein a temperature controller is arranged in the heat tracing box, and an overheating protection switch is arranged on the temperature controller; a handle and an observation window are arranged on the heat preservation front plate, and the heat preservation back plate is formed by splicing a plurality of small heat preservation plates. A heat tracing wire is arranged on the heat preservation bottom plate, and a plurality of drainage holes are further formed in the heat preservation bottom plate. A threading plate is arranged on the left side heat preservation plate or the right side heat preservation plate, and a round hole for the air inlet pipe to pass through is further formed in the left side heat preservation plate or the right side heat preservation plate. The bag filter pulse valve group heat tracing box is simple in structural design, low in manufacturing cost, easy to install, good in heat preservation effect and capable of conducting heating and heat preservation on a bag filter pulse valve group at low temperature, and the requirement for uninterrupted production all the year round is met.

Description

TECHNICAL FIELD

[0001] The utility model relates to a heat tracing tank technical field, concretely relates to a bag filter pulse valve group heat tracing tank. BACKGROUND

[0002] The bag filter is a large device for separating gas and solid in the pneumatic conveying system, the bag filter pulse valve group controls the gas pocket, sweeps the cloth bag, reaches the effect of gas, solid separation, and is widely used in food, chemical industry, mineral industry and the like.

[0003] The traditional pneumatic conveying is usually carried out uninterruptedly in the whole year outdoors, and in some high latitude areas, the extremely low temperature condition often appears in winter, the bag filter pulse valve group is prone to freezing and the like in this environment, and the existing bag filter does not have the anti-freezing measure for the pulse valve group, thereby easily leading to the valve unable to work normally. Therefore, the automatic heating and heat preservation of the bag filter pulse valve group under the low temperature have important practical significance. UTILITY MODEL CONTENTS

[0004] The utility model discloses a kind of bag filter pulse valve group heat tracing tanks, the heat tracing tank is the rectangular box structure that is enclosed by heat preservation front plate, heat preservation back plate, heat preservation top plate, heat preservation bottom plate, left heat preservation plate and right heat preservation plate;The heat tracing tank can realize the function of heating and heat preservation under low temperature, avoid the freezing of the pulse valve group of bag filter, so that the pulse valve group of bag filter can be used normally uninterruptedly in low temperature environment all the year round.

[0005] To achieve the above object, the utility model is realized by the following technical scheme:

[0006] The utility model discloses a kind of bag filter pulse valve group heat tracing tanks, the heat tracing tank is the rectangular box structure that is enclosed by heat preservation front plate, heat preservation back plate, heat preservation top plate, heat preservation bottom plate, left heat preservation plate and right heat preservation plate;

[0007] Wherein, temperature controller is provided in the heat tracing tank, and overheat protection switch is arranged on the temperature controller;Handle and observation window are arranged on the heat preservation front plate, the heat preservation back plate is spliced by a plurality of small heat preservation plates;Heat tracing wire is arranged on the heat preservation bottom plate, a plurality of drain holes are further arranged on the heat preservation bottom plate;Thread board is arranged on the left heat preservation plate or right heat preservation plate, circular hole for air inlet pipe is further arranged on the left heat preservation plate or right heat preservation plate.

[0008] Further, a kind of bag filter pulse valve group heat tracing tank: the inner wall of the heat tracing tank is provided with flame-retardant rock wool material;The heat preservation front plate, heat preservation back plate, heat preservation top plate, heat preservation bottom plate, left heat preservation plate and right heat preservation plate are fixed by bolt after being enclosed.

[0009] Further, a bag filter pulse valve group heat tracing box, wherein the temperature controller is arranged on the heat preservation bottom plate and located in the heat tracing box of the rectangular box structure.

[0010] Further, a bag filter pulse valve group heat tracing box, wherein the surface of the handle is provided with an anti-skid mesh pattern.

[0011] Further, a bag filter pulse valve group heat tracing box, wherein the heat preservation back plate is formed by splicing a plurality of small heat preservation plates and the splicing positions are fixed by connecting pieces.

[0012] Further, a bag filter pulse valve group heat tracing box, wherein a sealing strip is pre-attached to each heat preservation plate before being enclosed by the heat preservation front plate, the heat preservation back plate, the heat preservation top plate, the heat preservation bottom plate, the left heat preservation plate and the right heat preservation plate.

[0013] Further, a bag filter pulse valve group heat tracing box, wherein the heat preservation bottom plate is provided in a micro-convex plate structure and the drain hole is provided with a diameter of 10-30 mm.

[0014] Further, a bag filter pulse valve group heat tracing box, wherein the left heat preservation plate or the right heat preservation plate is formed by splicing two small heat preservation plates and the splicing positions are fixed by connecting pieces, and the two small heat preservation plates are respectively provided with the threading plate.

[0015] Further, a bag filter pulse valve group heat tracing box, wherein the gap between the inner wall of the round hole and the outer wall of the air inlet pipe is filled with silica gel.

[0016] Further, a bag filter pulse valve group heat tracing box, wherein the heat tracing box further comprises a mat net laid on the heat preservation bottom plate and the heat tracing wire is arranged on the mat net.

[0017] The bag filter pulse valve group heat tracing box has the advantages that:

[0018] The bag filter pulse valve group heat tracing box has the advantages that:

[0019] The bag filter pulse valve group heat tracing box has the advantages that: BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the drawings needed in the embodiment description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative effort on the basis of these drawings.

[0021] Figure 1 A structure schematic view of the bag filter pulse valve group heat tracing box provided in the embodiment 1 of the present application is shown in the figure.

[0022] Figure 2 An installation schematic view of the temperature controller in the bag filter pulse valve group heat tracing box provided in the embodiment 1 of the present application is shown in the figure.

[0023] Figure 3 A structure schematic view of the heat tracing wire and the mat net in the bag filter pulse valve group heat tracing box provided in the embodiment 1 of the present application is shown in the figure.

[0024] Figure 4 A structure schematic view of the heat tracing back plate in the bag filter pulse valve group heat tracing box provided in the embodiment 1 of the present application is shown in the figure.

[0025] Figure 5 A structure schematic view of the heat tracing bottom plate in the bag filter pulse valve group heat tracing box provided in the embodiment 1 of the present application is shown in the figure. Figure 4 An enlarged view of the A part in the figure, that is, a schematic view of the sealing strip adhered on the heat tracing back plate.

[0026] Figure 6 A structure schematic view of the heat tracing bottom plate in the bag filter pulse valve group heat tracing box provided in the embodiment 1 of the present application is shown in the figure.

[0027] Figure 7 A right view of the bag filter pulse valve group heat tracing box provided in the embodiment 1 of the present application is shown in the figure.

[0028] Figure 8 A structure schematic view of the heat tracing bottom plate in the bag filter pulse valve group heat tracing box provided in the embodiment 1 of the present application is shown in the figure. Figure 7 A sectional view of the B-B direction in the figure.

[0029] Markings in the figure: 1-heat tracing front plate, 2-heat tracing back plate, 3-heat tracing top plate, 4-heat tracing bottom plate, 5-left heat tracing plate, 6-right heat tracing plate, 7-temperature controller, 8-handle, 9-observation window, 10-small heat tracing plate, 11-heat tracing wire, 12-threading plate, 13-air inlet pipe, 14-round hole, 15-connecting piece, 16-sealing strip, 17-silica gel, 18-mat net, 41-drainage hole. DETAILED DESCRIPTION

[0030] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. The following description of at least one exemplary embodiment is merely illustrative and is in no way intended to limit the present utility model or its application or use. All other embodiments obtained by those skilled in the art based on the embodiments of the present utility model without creative effort are within the scope of protection of the present utility model.

[0031] In the description of this utility model, it should be understood that the terms "upper," "lower," "left," "right," "top," and "bottom," etc., indicating orientation or positional relationships, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include one or more of that feature. Moreover, the terms "first," "second," etc., are used to distinguish similar objects and are not necessarily used to describe a specific order or sequence. It should be understood that such data can be interchanged where appropriate so that embodiments of this utility model described herein can be implemented in orders other than those illustrated or described herein.

[0032] Example 1

[0033] like Figures 1-8 As shown, this embodiment 1 provides a heat tracing box for a bag filter pulse valve assembly. The heat tracing box is a rectangular box structure formed by bolts connecting a front insulation plate 1, a back insulation plate 2, a top insulation plate 3, a bottom insulation plate 4, a left insulation plate 5, and a right insulation plate 6. Flame-retardant rock wool material is provided on the inner wall of the rectangular box structure.

[0034] The heat tracing box is characterized in that a temperature controller 7 is arranged on a heat preservation bottom plate 4 in the heat tracing box, and an overheat protection switch is arranged on the temperature controller 7; a handle 8 and an observation window 9 are arranged on the heat preservation front plate 1, the surface of the handle 8 is provided with an anti-skid mesh, the heat preservation back plate 2 is formed by splicing a plurality of small heat preservation plates 10, and the splicing positions are connected and fixed by connecting pieces 15; a mat net 18 is arranged on the heat preservation bottom plate 4, heat tracing wires 11 are arranged on the mat net 18, the heat preservation bottom plate 4 is provided with a micro-convex plate structure, and a drainage hole 41 with a diameter of 20.0 mm is arranged at each corner of the heat preservation bottom plate 4, so that the accumulated water in the heat tracing box can be effectively drained; the right heat preservation plate 6 is formed by splicing two small heat preservation plates 10, the splicing positions are connected and fixed by connecting pieces 15, and a threading plate 12 is arranged on each small heat preservation plate 10; a round hole 14 is arranged on the right heat preservation plate 6 for the air inlet pipe 13 to pass through, and the gap between the inner wall of the round hole 14 and the outer wall of the air inlet pipe 13 is filled with silica gel 17; and a sealing strip 16 is attached to each heat preservation plate before the heat preservation front plate 1, the heat preservation back plate 2, the heat preservation top plate 3, the heat preservation bottom plate 4, the left heat preservation plate 5 and the right heat preservation plate 6 are enclosed.

[0035] Specifically, the heat tracing box of the above-mentioned embodiment 1 is a rectangular box structure, which is assembled by enclosing a plurality of heat preservation plates. The inside of the heat preservation plate is made of flame-retardant rock wool material, and the periphery is a support profile. The plate bodies are connected and fixed by a plurality of bolts, which is simple and reliable. The heat preservation back plate 2 of the heat tracing box is formed by splicing a plurality of small heat preservation plates 10, and the splicing positions are connected and fixed by connecting pieces 15, which can effectively adapt to the flange space layout of the pulse valve group, and facilitate the installation of the heat preservation back plate 2 after the pulse valve group is in place. The heat preservation front plate 1 of the heat tracing box is fixed by a butterfly nut, and handles 8 are arranged on both sides. The surface of the handle 8 is provided with a mesh surface to prevent slipping when holding. The heat preservation front plate 1 is provided with a transparent observation window 9, through which the display screen of the temperature controller 7 can be viewed.

[0036] The sealing strip 16 is attached to each heat preservation plate before connection in the above-mentioned embodiment 1. After the connection of the heat preservation plates, the sealing strip 16 is compressed to produce a sealing effect, effectively reducing heat loss at the joint, and improving the heat preservation effect of the heat tracing box. At the same time, a layer of square hole mat net (steel wire mesh) 18 is arranged on the heat preservation bottom plate 4 of the heat tracing box, which can prevent the heat tracing wires 11 from directly contacting the heat preservation bottom plate 4. The mat net 18 can also be used for winding and fixing the heat tracing wires 11, and the winding and fixing method is flexible. The right heat preservation plate 6 of the heat tracing box is provided with a threading plate 12, and the cable of the pulse valve group can extend from the inside to the outside of the heat tracing box through the threading plate 12, which can effectively ensure the sealing effect of the heat tracing box and the fixation of the cable.

[0037] The temperature controller 7 in the above embodiment 1 is provided with an overheat protection switch, which is turned off when the temperature in the heat tracing box continues to rise to about 10 DEG C from -30 DEG C to about 0 DEG C, effectively preventing the temperature in the box from being too high in case of failure of the temperature sensor. A circular hole 14 is provided on the right side heat preservation plate 6 of the heat tracing box for the air inlet pipe 13 to pass through, and the gap between the inner wall of the circular hole 14 and the outer wall of the air inlet pipe 13 is filled with silica gel 17, which has good sealing effect after solidification and is not affected by the eccentricity caused by the installation of the air inlet pipe 13 and the circular hole 14.

[0038] The above is the preferred embodiment of the present application, which is used to explain the present application, but not to limit the present application. Any obvious changes or variations derived from the technical solution of the present application are still within the protection scope of the present application.

Claims

1. A bag filter pulse valve group heat box, characterized in that, The heat tracing box is a rectangular box structure enclosed by a heat preservation front plate (1), a heat preservation back plate (2), a heat preservation top plate (3), a heat preservation bottom plate (4), a left heat preservation plate (5) and a right heat preservation plate (6); The heat tracing box is provided with a temperature controller (7), and the temperature controller (7) is provided with an overheat protection switch; The heat preservation front plate (1) is provided with a handle (8) and an observation window (9), and the heat preservation back plate (2) is formed by splicing a plurality of small heat preservation plates (10); The heat preservation bottom plate (4) is provided with a heat tracing wire (11), and is also provided with a plurality of drainage holes (41); The left heat preservation plate (5) or the right heat preservation plate (6) is provided with a threading plate (12), and is also provided with a circular hole (14) for the air inlet pipe (13) to pass through.

2. A bag filter pulse valve group heating box according to claim 1, characterized in that, The inner wall of the heat tracing box is provided with a flame-retardant rock wool material; The heat preservation front plate (1), the heat preservation back plate (2), the heat preservation top plate (3), the heat preservation bottom plate (4), the left heat preservation plate (5) and the right heat preservation plate (6) are fixed by bolts after being enclosed.

3. A bag filter pulse valve group heating box according to claim 1, characterized in that, The temperature controller (7) is arranged on the heat preservation bottom plate (4) and located inside the heat tracing box of the rectangular box structure.

4. A bag filter pulse valve group heating box according to claim 1, characterized in that, The surface of the handle (8) is provided with an anti-slip mesh pattern.

5. A bag filter pulse valve group heating box according to claim 1, characterized in that, The heat preservation back plate (2) is formed by splicing a plurality of small heat preservation plates (10) and is connected and fixed by connecting pieces (15) at the splicing positions.

6. A bag filter pulse valve group heating box according to claim 1, characterized in that, Before the heat preservation front plate (1), the heat preservation back plate (2), the heat preservation top plate (3), the heat preservation bottom plate (4), the left heat preservation plate (5) and the right heat preservation plate (6) are enclosed, a sealing strip (16) is pre-attached to each heat preservation plate.

7. A bag filter pulse valve group heating box according to claim 1, characterized in that, The heat preservation bottom plate (4) is provided in a micro-convex plate structure, and the drainage holes (41) have a hole diameter of 10-30 mm.

8. A bag filter pulse valve group heating box according to claim 1, characterized in that, The left heat preservation plate (5) or the right heat preservation plate (6) is formed by splicing two small heat preservation plates (10) and is connected and fixed by connecting pieces (15) at the splicing positions, and the two small heat preservation plates (10) are respectively provided with the threading plate (12).

9. A bag filter pulse valve group heating box according to claim 1, characterized in that, The gap between the inner wall of the circular hole (14) and the outer wall of the air inlet pipe (13) is filled with silica gel (17).

10. A bag filter pulse valve group heating box according to claim 1, characterized in that, The heat tracing box further comprises a mat net (18) laid on the heat preservation bottom plate (4), and the heat tracing wire (11) is arranged on the mat net (18).

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