CN212091345U

CN212091345U - Electric control box for dust removal pulse valve

Info

Publication number: CN212091345U
Application number: CN202020615765.7U
Authority: CN
Inventors: 仇山根; 于伟
Original assignee: Shanxi Jianbang Group Casting Co ltd
Current assignee: Shanxi Jianbang Group Casting Co ltd
Priority date: 2020-04-22
Filing date: 2020-04-22
Publication date: 2020-12-08
Anticipated expiration: 2030-04-22

Abstract

The utility model discloses an electrical control box for dust removal pulse valve, which belongs to the technical field of dust removal equipment, and comprises a box body, wherein the front end of the box body is provided with a box door, two pairs of clamping strips are fixedly connected with two sides of the inner cavity of the box body, controller fixing frames are respectively and fixedly connected with the two pairs of clamping strips, the upper end of the box body is fixedly connected with an air outlet pipe, the lower end of the inner cavity of the box body is fixedly connected with an air inlet valve group, and the upper end output end of the air inlet valve group is fixedly connected with an air jet pipe, which can realize that the temperature in the electrical control box is expanded and absorbed in the box body through nitrogen gas, the temperature in the control box is reduced, and the oxygen content in the box body can be greatly reduced through the filling of the nitrogen gas, the oxidation phenomenon of circuits in the control equipment is greatly reduced, the service life, the operation of the dust removing equipment can be more stable.

Description

Electric control box for dust removal pulse valve

Technical Field

The utility model relates to a dust collecting equipment technical field, more specifically say, relate to a dust removal is electrical control box for pulse valve.

Background

Building a conservation-oriented society, saving energy is a basic national policy in China and is a strategic policy for realizing sustainable development of the steel industry. Therefore, low cost and high benefit increasingly become the central importance of various works of iron and steel enterprises, and energy conservation, emission reduction and development of circular economy become the mainstream of iron and steel enterprise development. In order to achieve the purpose, many iron and steel enterprises begin to gradually eliminate small blast furnaces with high energy consumption and high added value, and meanwhile, technical improvement projects of accelerating expansion and building large blast furnaces are started, and the accompanying matched blast furnace gas dust removal facilities also mainly adopt dry-type cloth bag dust removal. At present, the back-blowing gas required for back-blowing and dust cleaning of the bag-type dust remover is mainly medium-pressure and low-pressure nitrogen gas which is air-separated and sent out by an oxygen plant. After the nitrogen tank channel is connected, the pressure of nitrogen is adjusted according to the requirements of a pulse valve for back flushing and an ash removal pipeline, and then back flushing and pipeline ash removal are carried out on the cloth bag box body according to production requirements.

The back flushing process in the operation process of the dust removing equipment needs to use the electric control box to control the operation of the pulse valve, and because the dust content around the dust removing equipment is high, dust is easy to accumulate on an electric control device in the box body, so that the heat dissipation of the equipment is influenced, and the service life of a control device in the box body is also influenced due to the higher environmental temperature in iron and steel enterprises, so that the failure is easy to occur.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

Problem to exist among the prior art, the utility model aims at providing a dust removal is electrical control box for pulse valve, it can realize the temperature through the inside of nitrogen gas with electrical control box, nitrogen gas is at the inside inflation heat absorption of box, reduce the temperature in the control box, and fill into the oxygen content that can the significantly reduced box of nitrogen gas, the phenomenon of the oxidation of the interior circuit of the controlgear that has significantly reduced takes place, improve controlgear's life, reduce electrical control box's fault rate, can make dust collecting equipment moving more stable.

2. Technical scheme

In order to solve the above problems, the utility model adopts the following technical proposal.

An electrical control box for a dust removal pulse valve comprises a box body, wherein a box door is arranged at the front end of the box body, two pairs of clamping strips are fixedly connected to two sides of an inner cavity of the box body, a controller fixing frame is fixedly connected to each of the two pairs of clamping strips, an air outlet pipe is fixedly connected to the upper end of the box body, an air inlet valve group is fixedly connected to the lower end of the inner cavity of the box body, an air jet pipe is fixedly connected to the upper end output end of the air inlet valve group, the inner side input end of the air inlet valve group is fixedly connected to the lower end of an air inlet pipe of the control box, a drying box is fixedly connected to the back side of the box body, the lower end of the drying box is fixedly connected to the upper end of the air inlet pipe of the control box, a drying agent is filled in the inner cavity of the drying box, the, and the pressure release valve is fixedly arranged at the tank opening of the nitrogen tank.

Further, three drying cabinet baffles of fixedly connected with in the inner chamber of drying cabinet, and three equidistant settings of drying cabinet baffle, the screw that a plurality of equidistant setting was seted up to the dorsal part of drying cabinet and drying cabinet baffle, and the dorsal part of drying cabinet and drying cabinet baffle passes through bolt fixedly connected with fixed apron, and four are separated into with the drying cabinet inner chamber to the drying cabinet baffle, conveniently change the drier.

Furthermore, the inner cavities of the control box air inlet pipe and the drying box air inlet pipe corresponding to the drying box are provided with four electromagnetic valves, four electromagnetic valves are installed in the air inlet valve group corresponding to the control box air inlet pipe, control modules of the electromagnetic valves are electrically connected with electrical control equipment in the box body, the electromagnetic valves are controlled to deflate through the electrical control equipment, and the electromagnetic valves are matched with the dust removal pulse valve group to work.

Furthermore, the control modules of the four electromagnetic valves operate independently, after the nitrogen in one nitrogen tank is exhausted, the control module of the corresponding electromagnetic valve can control the electromagnetic valve to stop operating, the corresponding nitrogen tank is replaced independently, the use is convenient, and the work of the dedusting pulse valve can not be influenced.

Furthermore, one side of the inner cavity of the box body, which is close to the box door, is fixedly connected with a circle of annular baffle, one side of the annular baffle, which is close to the box door, is fixedly connected with a rubber sealing gasket, and the annular baffle improves the sealing performance between the box body and the box door.

Further, the controller mount is porous platelike structure, and the bolt passes the through-hole on the controller mount and fixes electrical equipment on the controller mount, and the porous structure on the controller mount makes things convenient for nitrogen gas to pass through to can be applicable to the electrical control equipment of different models fixed, improve the suitability.

3. Advantageous effects

Compared with the prior art, the utility model has the advantages of:

(1) this scheme can realize through the temperature of nitrogen gas with the inside of electrical control box, and nitrogen gas reduces the temperature in the control box at the inside inflation heat absorption of box to the oxygen content in the box that can significantly reduce is filled into to nitrogen gas, and the phenomenon of the oxidation of the interior circuit of the controlgear that has significantly reduced takes place, improves controlgear's life, reduces the fault rate of electrical control box, can make the dust collecting equipment moving more stable.

(2) Three drying cabinet baffles of fixedly connected with in the inner chamber of drying cabinet, and three equidistant settings of drying cabinet baffle, the screw that a plurality of equidistant setting was seted up to the dorsal part of drying cabinet and drying cabinet baffle, and the dorsal part of drying cabinet and drying cabinet baffle passes through the fixed apron of bolt fixedly connected with, and four are separated into with the drying cabinet inner chamber to the drying cabinet baffle, conveniently change the drier.

(3) The inner cavities of the control box air inlet pipe and the drying box air inlet pipe corresponding to the drying box are provided with four electromagnetic valves, the four electromagnetic valves are installed in the air inlet valve group corresponding to the control box air inlet pipe, control modules of the four electromagnetic valves are electrically connected with electrical control equipment in the box body, the electromagnetic valves are controlled to deflate through the electrical control equipment, and the four electromagnetic valves are matched with the dedusting pulse valve group to work.

(4) The control modules of the four electromagnetic valves operate independently, after nitrogen in one nitrogen tank is exhausted, the control module of the corresponding electromagnetic valve can control the electromagnetic valve to stop operating, the corresponding nitrogen tank is replaced independently, the use can be convenient, and the work of the dust removal pulse valve can not be influenced.

(5) One side of the inner cavity of the box body, which is close to the box door, is fixedly connected with a circle of annular flange, one side of the annular baffle, which is close to the box door, is fixedly connected with a rubber sealing gasket, and the annular baffle improves the sealing performance between the box body and the box door.

(6) The controller mount is porous platelike structure, and the bolt passes the through-hole on the controller mount and fixes electrical equipment on the controller mount, and the porous structure on the controller mount makes things convenient for nitrogen gas to pass through to can be applicable to the electrical control equipment of different models fixed, improve the suitability.

Drawings

FIG. 1 is a schematic sectional view of the present invention;

fig. 2 is a schematic front view of the structure of the present invention;

fig. 3 is a rear view structure diagram of the drying box of the present invention.

The reference numbers in the figures illustrate:

the device comprises a box body 1, a box door 2, a clamping strip 3, a controller fixing frame 4, an air inlet valve group 5, an air injection pipe 6, an electromagnetic valve 7, an air outlet pipe 8, a drying box 9, a fixing cover plate 10, a control box air inlet pipe 11, a drying agent 12, a drying box air inlet pipe 13, a nitrogen tank 14, a pressure release valve 15, an air guide pipe 16, a pipeline joint 17, a drying box partition plate 18 and a ring-shaped baffle plate 19.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention; obviously, the described embodiments are only a part of the embodiments of the present invention, and not all embodiments, and all other embodiments obtained by those skilled in the art without any inventive work are within the scope of the present invention based on the embodiments of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "top/bottom", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted", "provided", "sleeved/connected", "connected", and the like are to be understood in a broad sense, such as "connected", which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1:

referring to fig. 1-3, an electrical control box for a dust removal pulse valve, referring to fig. 1 and 2, comprises a box body 1, a box door 2 is arranged at the front end of the box body 1, two pairs of clamping strips 3 are fixedly connected to two sides of an inner cavity of the box body 1, a ring-shaped flange 19 is fixedly connected to one side of the inner cavity of the box body 1 close to the box door 2, a rubber gasket is fixedly connected to one side of the ring-shaped baffle 19 close to the box door 2, the sealing performance between the box body 1 and the box door 2 is improved by the ring-shaped baffle 19, a controller fixing frame 4 is respectively and fixedly connected to the two pairs of clamping strips 3, the controller fixing frame 4 is a porous plate-shaped structure, bolts penetrate through holes in the controller fixing frame 4 to fix electrical equipment on the controller fixing frame 4, the porous structure in the controller fixing frame 4 facilitates the passage of, the upper end of the box body 1 is fixedly connected with an air outlet pipe 8, the lower end of the inner cavity of the box body 1 is fixedly connected with an air inlet valve group 5, the air outlet pipe 8 is connected with an air supply fan of the dedusting pulse valve, the upper end output end of the air inlet valve group 5 is fixedly connected with an air injection pipe 6, the inner side input end of the air inlet valve group 5 is fixedly connected with the lower end of the control box air inlet pipe 11, the back side of the box body 1 is fixedly connected with a drying box 9, and the lower end of the drying box 9 is fixedly connected with the;

referring to fig. 3, three drying box partition plates 18 are fixedly connected in the inner cavity of the drying box 9, the three drying box partition plates 18 are arranged at equal intervals, a plurality of screw holes are formed in the back sides of the drying box 9 and the drying box partition plates 18 at equal intervals, the back sides of the drying box 9 and the drying box partition plates 18 are fixedly connected with a fixed cover plate 10 through bolts, four control box air inlet pipes 11 and four drying box air inlet pipes 13 are arranged corresponding to the inner cavity of the drying box 9, four electromagnetic valves 7 are installed corresponding to the control box air inlet pipes 11 in the air inlet valve group 5, the control modules of the four electromagnetic valves 7 are electrically connected with the electric control equipment in the box body 1, the electromagnetic valves 7 are controlled to deflate through the electric control equipment, the control modules of the four electromagnetic valves 7 work in cooperation with the dedusting pulse valve group, the control modules of the four electromagnetic valves 7 operate independently, when the nitrogen in one nitrogen tank, change nitrogen gas tank 14 that corresponds alone, it is convenient to use, can not influence the work of dust removal pulse valve, be equipped with drier 12 in the inner chamber of drying cabinet 9, drier 12 is the silica gel granule drier, because the compressed nitrogen gas water content in nitrogen gas tank 14 is lower, drier 12 can be used for a long time, drying cabinet baffle 18 separates into four with drying cabinet 9 inner chambers, conveniently change drier 12, the upper end fixedly connected with drying cabinet intake pipe 13 of drying cabinet 9, the one end of air duct 16 is connected through pipe joint 17 in the upper end of drying

cabinet intake pipe

13, and 16 other end fixed connection of air duct is on the gas outlet of

relief valve

15, 15 fixed mounting of relief valve are in the jar mouth department of nitrogen gas tank 14, the filling has dry compressed nitrogen gas in the nitrogen gas tank 14.

When the dust removal pulse valve group works, the electrical equipment in the box body 1 controls the operation of the dust removal pulse valve group, when the dust removal pulse system needs to supply air, the electromagnetic valve 7 is opened through the control of the electrical equipment in the box body 1, so that dry nitrogen in the nitrogen tank 14 enters the drying box 9 through the pressure release valve 15 for further drying, and the dried nitrogen is sprayed from the bottom of the electrical equipment in the air spraying pipe 6 at the upper end of the air inlet valve group 5, so that the nitrogen enters the pulse dust removal system from the top air outlet pipe 8 after passing through the electrical control equipment in the box body 1, after the nitrogen in one nitrogen tank 14 is exhausted, the control module of the corresponding electromagnetic valve 7 can control the electromagnetic valve 7 to stop operating, the corresponding nitrogen tank 14 is independently replaced, the use can be convenient, the work of the dust removal pulse valve can not be influenced, the temperature in the electrical control box can be realized through the nitrogen, the nitrogen expands and absorbs, the temperature in the control box is reduced, the oxygen content in the box body 1 can be greatly reduced by the filling of nitrogen, the phenomenon of oxidation of a circuit in the control equipment is greatly reduced, the service life of the control equipment is prolonged, the fault rate of the electric control box is reduced, and the operation of the dust removal equipment is more stable.

The above description is only the preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. The utility model provides a dust removal is electrical control box for pulse valve, includes box (1), the front end of box (1) is equipped with chamber door (2), and two pairs of card strips (3) of inner chamber both sides fixedly connected with of box (1), respectively fixedly connected with controller mount (4) on two pairs of card strips (3), its characterized in that: the air outlet pipe (8) is fixedly connected to the upper end of the box body (1), the air inlet valve group (5) is fixedly connected to the lower end of the inner cavity of the box body (1), the air injection pipe (6) is fixedly connected to the upper end output end of the air inlet valve group (5), the inner side input end of the air inlet valve group (5) is fixedly connected to the lower end of the control box air inlet pipe (11), the drying box (9) is fixedly connected to the back side of the box body (1), the lower end of the drying box (9) is fixedly connected to the upper end of the control box air inlet pipe (11), a drying agent (12) is filled in the inner cavity of the drying box (9), the drying box air inlet pipe (13) is fixedly connected to the upper end of the drying box air inlet pipe (13) through a pipeline connector (17) to connect one end of the air guide pipe (16), and the other end of the air guide, the pressure release valve (15) is fixedly arranged at the tank opening of the nitrogen tank (14).

2. The electrical control box for a dust removal pulse valve according to claim 1, wherein: three drying cabinet baffles (18) of fixedly connected with in the inner chamber of drying cabinet (9), and three drying cabinet baffles (18) equidistant setting, the screw that a plurality of equidistant setting was seted up to the dorsal part of drying cabinet (9) and drying cabinet baffle (18), and the dorsal part of drying cabinet (9) and drying cabinet baffle (18) passes through bolt fixedly connected with fixed cover plate (10).

3. The electrical control box for a dust removal pulse valve according to claim 2, wherein: the inner chamber that control box intake pipe (11) and drying cabinet intake pipe (13) correspond drying cabinet (9) all is provided with four, and corresponds control box intake pipe (11) in valve group (5) and install four solenoid valve (7), four the control module of solenoid valve (7) is connected with the electrical control equipment electricity in box (1).

4. The electrical control box for a dust removal pulse valve according to claim 3, wherein: and the control modules of the four electromagnetic valves (7) operate independently.

5. The electrical control box for a dust removal pulse valve according to claim 1, wherein: one side fixedly connected with round ring type baffle (19) that the inner chamber of box (1) is close to chamber door (2), one side fixedly connected with rubber packing pad that ring type baffle (19) are close to chamber door (2).

6. The electrical control box for a dust removal pulse valve according to claim 1, wherein: the controller fixing frame (4) is of a porous plate-shaped structure, and the bolts penetrate through the through holes in the controller fixing frame (4) to fix the electrical equipment on the controller fixing frame (4).