Filtering and purifying device for civil air defense engineering pipeline

Abstract

The utility model discloses a civil air defense engineering pipeline filtering and purifying device in the technical field of pipeline air filtering and purifying, which comprises a box body, the left side wall of the box body is rotatably connected with a box door through a hinge, a sealing gasket is arranged between the right side wall of the box door and the left side wall of the box body, the left side wall of the box door is provided with a notch, and the box door is provided with an air inlet. A first filter screen is arranged in an inner cavity of the notch, a second filter screen is fixedly connected between the top of the inner cavity of the box body and the left side of the bottom of the inner cavity of the box body, a fin type electric heating pipe is fixedly connected to the top of the inner cavity of the box body, and the fin type electric heating pipe is located on the right side of the second filter screen; the civil air defense engineering pipeline filtering and purifying device is reasonable in structural design, other substances can be filtered and purified, the filtering and purifying effect is improved, a filtering net can be cleaned, and the situation that the filtering effect is affected due to dust contamination is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline air filtering and purification, in particular to a pipeline filtering and purification device for civil air defense projects. Background Art

[0002] Civil air defense projects, also known as civil air defense projects, refer to underground protective buildings built separately to ensure the shelter of personnel and materials, civil air defense command, and medical rescue in wartime, as well as basements built in combination with ground buildings that can be used for air defense in wartime. In order to improve internal air circulation, they are usually connected to the outside through pipes to achieve the purpose of transporting air.

[0003] The existing pipelines are equipped with filters to filter the air when transporting air. They can only filter the dust in the air, but cannot effectively filter and purify other substances. The filtering and purification effect is poor. After the filter is used for a long time, the surface of the air entering the side will be contaminated with a lot of dust, affecting its filtering effect. It is also very troublesome to clean up. For this reason, we propose a pipeline filtering and purification device for civil air defense projects. Utility Model Content

[0004] The purpose of the utility model is to provide a filtering and purifying device for civil air defense engineering pipelines, so as to solve the problem proposed in the above background technology that the existing pipelines are provided with a filter net to filter the air when conveying air, which can only filter the dust in the air but cannot effectively filter and purify other substances, and after the filter net is used for a long time, the surface of the side where the air enters will be contaminated with a large amount of dust, which affects its filtering effect and is very troublesome to clean.

[0005] To achieve the above-mentioned objectives, the utility model provides the following technical solutions: a civil air defense pipeline filtering and purification device, comprising a box body, the left side wall of the box body being rotatably connected to a box door by a hinge, a sealing gasket being arranged between the right side wall of the box door and the left side wall of the box body, a notch being opened on the left side wall of the box door, a first filter screen being arranged in the inner cavity of the notch, a second filter screen being fixedly connected between the top of the inner cavity of the box body and the left side of the bottom, a finned electric heating tube being fixedly connected to the top of the inner cavity of the box body, the finned electric heating tube being located on the right side of the second filter screen, a hollow block being fixedly connected between the top and bottom of the inner cavity of the box body, the hollow block being located on the right side of the finned electric heating tube, an activated carbon plate being fixedly connected between the top of the inner cavity of the box body and the right side of the bottom, and through holes being opened on the lower side of the left side wall and the upper side of the right side wall of the hollow block.

[0006] As a further description of the above technical solution:

[0007] The left and right side walls of the inner cavity of the hollow block are fixedly connected with molecular sieve plates, and the molecular sieve plates on both sides are evenly distributed from top to bottom.

[0008] As a further description of the above technical solution:

[0009] A ventilation hole is opened on the right side wall of the inner cavity of the box body, a ventilation fan is arranged in the inner cavity of the ventilation hole, a ventilation pipe is inserted in the inner cavity of the ventilation hole, and the end of the ventilation pipe extends to the outside of the box body.

[0010] As a further description of the above technical solution:

[0011] A brush is slidably connected between the front and rear side walls of the box, the bristles of the brush are slidably connected to the left side wall of the second filter, a scraper is fixedly connected to the upper side of the right side wall of the brush, the right side wall of the scraper is slidably connected to the left side wall of the second filter, a sliding groove is opened on the left side of the front and rear side walls of the box, and a servo motor is fixedly connected to the left side of the top rear side of the box by bolts.

[0012] As a further description of the above technical solution:

[0013] A sliding plate is slidably connected between the inner cavities of the two sliding grooves, a reciprocating screw is screwed on the rear side of the inner cavity of the sliding plate, the bottom end of the reciprocating screw is connected to the bottom bearing of the inner cavity of the sliding groove on the rear side, the top of the reciprocating screw is fixedly connected to the output shaft of the servo motor, a limiting rod is fixedly connected between the top and bottom of the inner cavity of the sliding groove on the front side, the outer wall of the limiting rod is slidably connected to the front side of the inner cavity of the sliding plate, a slot hole is opened on the right side wall of the sliding plate, the slot holes are evenly distributed from front to back, a spring is inserted into the inner cavity of the slot hole, a sliding rod is inserted into the inner cavity of the slot hole, and the ends of multiple sliding rods extend to the inner cavity of the box body and are fixedly connected to the left side wall of the brush.

[0014] As a further description of the above technical solution:

[0015] A collecting groove is provided on the left side of the lower side of the front side wall of the box body, and a collecting box is inserted into the inner cavity of the collecting groove.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. The pipeline filtering and purification device of the civil air defense project starts the ventilation fan and the finned electric heating tube respectively through an external controller. The air first passes through the first filter to filter out larger particles of dust and then flows into the interior of the box. Under the action of the ventilation fan, the circulation speed of the air is accelerated, and the smaller particles and dust in the air are filtered through the second filter. The air is heated by the finned electric heating tube to remove moisture from the air, and then flows into the hollow block through the left through hole to further remove residual moisture in the air through the molecular sieve plate, and is discharged through the right through hole and then through the activated carbon plate to remove odor and harmful gases in the air, and is discharged into the room through the ventilation pipe, which can filter and purify other substances, thereby improving the effect of filtering and purification.

[0018] 2. The pipeline filtering and purification device of the civil air defense project starts the servo motor through an external controller. The rotation of the servo motor output shaft drives the reciprocating screw to rotate. The rotation of the reciprocating screw drives the sliding plate to move back and forth up and down on the surface of the limit rod. The sliding plate drives the brush and the scraper to clean the second filter through the sliding rod. The cleaned dust falls into the collection box below. During the movement of the sliding plate, the brush and the scraper are closely attached to the second filter under the action of the spring, so that the filter can be cleaned to prevent dust contamination from affecting the filtering effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a structural stereoscopic diagram of a pipeline filtering and purification device for civil air defense projects proposed by the utility model;

[0020] Figure 2 This is a schematic diagram of the main cross-sectional view of the structure of a pipeline filtering and purification device for civil air defense projects proposed by the utility model;

[0021] Figure 3 This is a top view and cross-sectional schematic diagram of a structural sliding plate of a pipeline filtering and purifying device for civil air defense projects proposed by the utility model;

[0022] Figure 4 This is a top view schematic diagram of a structural collection box of a civil air defense engineering pipeline filtering and purification device proposed by the utility model.

[0023] In the figure: 100, box body; 110, box door; 111, notch; 112, first filter; 113, second filter; 114, finned electric heating tube; 115, hollow block; 116, activated carbon plate; 117, through hole; 120, molecular sieve plate; 130, vent; 131, ventilation fan; 132, ventilation duct; 140, brush; 141, scraper; 142, sliding groove; 143, servo motor; 150, sliding plate; 151, reciprocating screw; 152, limit rod; 153, slot; 154, spring; 155, slide rod; 160, collection tank; 161, collection box. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in 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.

[0025] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0026] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] The utility model provides a pipeline filtration and purification device for civil air defense projects, which can filter and purify other substances, improve the effect of filtration and purification, and can clean the filter screen to avoid dust contamination affecting the filtration effect. Figure 1-4 , comprising a box body 100;

[0028] Please refer again Figure 1-3The left side wall of the box body 100 is connected to a box door 110 through a hinge rotation, and the box door 110 is used to close the box body 100. A sealing gasket is provided between the right side wall of the box door 110 and the left side wall of the box body 100, and the sealing gasket is used to improve the air tightness of the connection between the box door 110 and the box body 100. A notch 111 is opened on the left side wall of the box door 110, and the notch 111 is used to install a first filter 112. The inner cavity of the notch 111 is provided with a first filter 112, and the first filter 112 is used to block larger particles in the air. A second filter 113 is fixedly connected between the top and the left side of the bottom of the inner cavity of the box body 100, and the second filter 113 is used to filter smaller particles and dust in the air. A finned electric heating tube 114 is fixedly connected to the top of the inner cavity of the box body 100. The finned electric heating tube 114 is used to heat the air and reduce the moisture in the air. The finned electric heating tube 114 is located on the right side of the second filter screen 113. A hollow block 115 is fixedly connected between the top and bottom of the inner cavity of the box body 100. The hollow block 115 is used to install the molecular sieve plate 120. The hollow block 115 is located on the right side of the finned electric heating tube 114. An activated carbon plate 116 is fixedly connected between the top and the right side of the inner cavity of the box body 100. The activated carbon plate 116 is used to absorb odors and harmful gases in the air. The lower side of the left wall and the upper side of the right wall of the hollow block 115 are provided with through holes 117. The through holes 11 7 is used to allow air to pass through the hollow block 115. The left and right side walls of the inner cavity of the hollow block 115 are fixedly connected with molecular sieve plates 120. The molecular sieve plates 120 are used to further absorb the residual moisture in the air. The molecular sieve plates 120 on both sides are evenly distributed from top to bottom. A vent 130 is opened on the right side wall of the inner cavity of the box body 100. The vent 130 is used to install a ventilation fan 131 and a ventilation pipe 132. The inner cavity of the vent 130 is provided with a ventilation fan 131. The ventilation fan 131 is used to accelerate the circulation of air. The inner cavity of the vent 130 is plugged with a ventilation pipe 132. The ventilation pipe 132 is used to transport the treated air into the room. The end of the ventilation pipe 132 extends to the outside of the box body 100. The ventilation fan 131 and the finned electric heating pipe 114 are respectively started by the external controller. The air first passes through the first filter 112 to filter out larger dust particles and then flows into the interior of the box 100. The ventilation fan 131 accelerates the circulation of the air. The second filter 113 filters out smaller particles and dust in the air. The finned electric heating pipe 114 heats the air to remove moisture from the air. The air then flows into the hollow block 115 through the left through hole 117 and further removes the remaining moisture in the air through the molecular sieve plate 120. The air is discharged through the right through hole 117 and then passes through the activated carbon plate 116 to remove odor and harmful gases in the air. The air is then discharged into the room through the ventilation pipe 132.

[0029] In summary, other substances can be filtered and purified, thereby improving the effect of filtering and purification.

[0030] Please refer again Figure 1-4A brush 140 is slidably connected between the front and rear side walls of the box 100. The brush 140 is used to clean the second filter 113. The bristles of the brush 140 are slidably connected to the left side wall of the second filter 113. A scraper 141 is fixedly connected to the upper side of the right side wall of the brush 140. The scraper 141 is used to scrape dust on the second filter 113. The right side wall of the scraper 141 is slidably connected to the left side wall of the second filter 113. A sliding groove 142 is opened on the left side of the front and rear side walls of the box 100. The sliding groove 142 is used to install a reciprocating screw rod 151 and a limit rod 152. A servo motor 143 is fixedly connected to the left side of the top rear side of the box 100 by bolts. The servo motor 143 It is used to drive the reciprocating screw rod 151 to rotate. A sliding plate 150 is slidably connected between the inner cavities of the two sliding grooves 142. The sliding plate 150 is used to drive the brush 140 to move through the sliding rod 155. The reciprocating screw rod 151 is screwed on the rear side of the inner cavity of the sliding plate 150. The reciprocating screw rod 151 is used to drive the sliding plate 150 to move. The bottom end of the reciprocating screw rod 151 is connected to the bottom bearing of the inner cavity of the rear sliding groove 142. The top of the reciprocating screw rod 151 is fixedly connected to the output shaft of the servo motor 143. A limiting rod 152 is fixedly connected between the top and bottom of the inner cavity of the front sliding groove 142. The limiting rod 152 is used to limit the sliding plate 150. The outer wall of the limiting rod 152 is connected to the sliding plate 1 50 is slidably connected to the front side of the inner cavity of the sliding plate 150, a slot hole 153 is opened on the right side wall of the sliding plate 150, the slot hole 153 is used to install a spring 154 and a slide rod 155, the slot holes 153 are evenly distributed from front to back, the inner cavity of the slot hole 153 is plugged with a spring 154, the spring 154 is used to make the brush 140 fit tightly against the second filter screen 113 through the slide rod 155, the inner cavity of the slot hole 153 is plugged with a slide rod 155, the slide rod 155 is used to install the brush 140, the ends of the plurality of slide rods 155 extend to the inner cavity of the box body 100 and are fixedly connected to the left side wall of the brush 140, and a collecting groove 160 is opened on the left side of the lower side of the front side wall of the box body 100, and the collecting groove 160 is used to place the collecting box 161, the collecting The inner cavity of the groove 160 is plugged with a collecting box 161, which is used to collect dust cleaned by the scraper 141 and the brush 140. The servo motor 143 is started by an external controller, and the output shaft of the servo motor 143 rotates to drive the reciprocating screw 151 to rotate. The reciprocating screw 151 rotates to drive the sliding plate 150 to move up and down on the surface of the limit rod 152. The sliding plate 150 drives the brush 140 and the scraper 141 to clean the second filter screen 113 through the sliding rod 155. The cleaned dust falls into the collecting box 161 below. During the movement of the sliding plate 150, the brush 140 and the scraper 141 are tightly attached to the second filter screen 113 under the action of the spring 154.

[0031] To sum up, the filter can be cleaned to prevent dust from affecting the filtering effect.

[0032] In specific use, the technical personnel in this field start the ventilation fan 131 and the finned electric heating tube 114 respectively through the external controller, the air first passes through the first filter 112 to filter the larger particles and dust, and then flows into the box body 100. Under the action of the ventilation fan 131, the circulation speed of the air is accelerated, and the smaller particles and dust in the air are filtered through the second filter 113. The air is heated by the finned electric heating tube 114 to remove moisture from the air, and then flows into the hollow block 115 through the left through hole 117, and further removes the residual moisture in the air through the molecular sieve plate 120, and is discharged through the right through hole 117 and then passes through the activated carbon plate 1 16 removes odor and harmful gases in the air and discharges them into the room through the ventilation pipe 132. The servo motor 143 is started by an external controller. The output shaft of the servo motor 143 rotates to drive the reciprocating screw 151 to rotate. The reciprocating screw 151 rotates to drive the sliding plate 150 to move back and forth up and down on the surface of the limit rod 152. The sliding plate 150 drives the brush 140 and the scraper 141 to clean the second filter screen 113 through the sliding rod 155. The cleaned dust falls into the collection box 161 below. During the movement of the sliding plate 150, the brush 140 and the scraper 141 are tightly fitted to the second filter screen 113 under the action of the spring 154.

[0033] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0034] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A pipeline filtering and purification device for civil air defense projects, characterized in that: The invention comprises a box body (100), the left side wall of the box body (100) being rotatably connected to a box door (110) via a hinge, a sealing gasket being arranged between the right side wall of the box door (110) and the left side wall of the box body (100), a notch (111) being arranged on the left side wall of the box door (110), a first filter screen (112) being arranged in the inner cavity of the notch (111), a second filter screen (113) being fixedly connected between the top and the left side of the bottom of the inner cavity of the box body (100), and the top of the inner cavity of the box body (100) being fixedly connected to the left side of the bottom of the inner cavity of the box body (100). A finned electric heating tube (114) is fixedly connected thereto, the finned electric heating tube (114) being located on the right side of the second filter screen (113); a hollow block (115) is fixedly connected between the top and bottom of the inner cavity of the box body (100), the hollow block (115) being located on the right side of the finned electric heating tube (114); an activated carbon plate (116) is fixedly connected between the top and right side of the inner cavity of the box body (100); and through holes (117) are provided on the lower side of the left wall and the upper side of the right wall of the hollow block (115).

2. The civil air defense pipeline filtering and purification device according to claim 1 is characterized in that: The left and right side walls of the inner cavity of the hollow block (115) are fixedly connected with molecular sieve plates (120), and the molecular sieve plates (120) on both sides are evenly distributed from top to bottom.

3. The civil air defense pipeline filtering and purification device according to claim 1 is characterized in that: A ventilation opening (130) is provided on the right side wall of the inner cavity of the box body (100); a ventilation fan (131) is provided in the inner cavity of the ventilation opening (130); a ventilation pipe (132) is inserted into the inner cavity of the ventilation opening (130); and the end of the ventilation pipe (132) extends to the outside of the box body (100).

4. The civil air defense pipeline filtering and purification device according to claim 1 is characterized in that: A brush (140) is slidably connected between the front and rear side walls of the box body (100), the bristles of the brush (140) are slidably connected to the left side wall of the second filter net (113), a scraper (141) is fixedly connected to the upper side of the right side wall of the brush (140), the right side wall of the scraper (141) is slidably connected to the left side wall of the second filter net (113), a sliding groove (142) is opened on the left side of the front and rear side walls of the box body (100), and a servo motor (143) is fixedly connected to the left side of the top rear side of the box body (100) by bolts.

5. The civil air defense pipeline filtering and purification device according to claim 4 is characterized in that: A sliding plate (150) is slidably connected between the inner cavities of the two sliding grooves (142), a reciprocating screw rod (151) is screwed to the rear side of the inner cavity of the sliding plate (150), the bottom end of the reciprocating screw rod (151) is connected to the bottom bearing of the inner cavity of the rear sliding groove (142), the top end of the reciprocating screw rod (151) is fixedly connected to the output shaft of the servo motor (143), and a limiting rod (152) is fixedly connected between the top and bottom of the inner cavity of the front sliding groove (142), the limiting rod (152) is fixedly connected to the inner cavity of the rear sliding groove (142). The outer wall of the positioning rod (152) is slidably connected to the front side of the inner cavity of the sliding plate (150); a slot hole (153) is opened on the right side wall of the sliding plate (150); the slot holes (153) are evenly distributed from front to back; a spring (154) is inserted into the inner cavity of the slot hole (153); a sliding rod (155) is inserted into the inner cavity of the slot hole (153); the ends of the plurality of sliding rods (155) extend to the inner cavity of the box body (100) and are fixedly connected to the left side wall of the brush (140).

6. The civil air defense pipeline filtering and purification device according to claim 1 is characterized by: A collecting groove (160) is provided on the left side of the lower side of the front side wall of the box body (100), and a collecting box (161) is inserted into the inner cavity of the collecting groove (160).

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