CN115823029B - Assembled integrated fire pump group - Google Patents
Assembled integrated fire pump group Download PDFInfo
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- CN115823029B CN115823029B CN202211467338.9A CN202211467338A CN115823029B CN 115823029 B CN115823029 B CN 115823029B CN 202211467338 A CN202211467338 A CN 202211467338A CN 115823029 B CN115823029 B CN 115823029B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 93
- 238000006073 displacement reaction Methods 0.000 claims abstract description 42
- 230000000903 blocking effect Effects 0.000 claims abstract description 39
- 239000004744 fabric Substances 0.000 claims abstract description 35
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 12
- 239000010959 steel Substances 0.000 claims abstract description 12
- 238000001125 extrusion Methods 0.000 claims description 39
- 210000001624 hip Anatomy 0.000 claims description 15
- 238000004140 cleaning Methods 0.000 claims description 14
- 239000010865 sewage Substances 0.000 claims description 13
- 230000010354 integration Effects 0.000 claims description 2
- 239000012535 impurity Substances 0.000 abstract description 50
- 239000002245 particle Substances 0.000 abstract description 26
- 238000001914 filtration Methods 0.000 abstract description 15
- 238000000926 separation method Methods 0.000 abstract description 3
- 230000006835 compression Effects 0.000 description 9
- 238000007906 compression Methods 0.000 description 9
- 238000009434 installation Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 230000009471 action Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000002184 metal Substances 0.000 description 4
- 239000004568 cement Substances 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000003860 storage Methods 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000008030 elimination Effects 0.000 description 2
- 238000003379 elimination reaction Methods 0.000 description 2
- 238000005265 energy consumption Methods 0.000 description 2
- 230000030279 gene silencing Effects 0.000 description 2
- 230000009467 reduction Effects 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000009417 prefabrication Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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Abstract
The invention relates to the technical field of fire-fighting equipment, and discloses an assembled integrated fire-fighting pump set, which comprises channel steel, a control cabinet on the channel steel, a pipeline for conveying water, a connecting valve and a flexible connecting pipe for connecting the pipeline, and is characterized in that: the fire pump is fixedly connected to the top end of the channel steel, pipelines are arranged at the input end and the output end of the fire pump, a positive displacement filter is arranged on one side of the fire pump, a water passing hole is formed in the bottom of the positive displacement filter, a connecting valve is fixedly connected to the water passing hole, and the pipeline on the input end of the fire pump is communicated with the connecting valve on the positive displacement filter. According to the invention, through the blocking gap formed between the movable seat and the drain hole, large-particle impurities are remained in the blocking gap, primary filtration is completed, water from which the large-particle impurities are removed is subjected to secondary filtration through the filter cloth, small-particle impurities are blocked by the filter cloth, and separation of the large-particle impurities and the small-particle impurities is formed, so that a better environment is provided for subsequent impurity removal.
Description
Technical Field
The invention relates to the technical field of fire-fighting machinery, in particular to an assembled integrated fire-fighting pump set.
Background
The traditional installation structure for installing the fire pump comprises a spare installation structure, wherein a main pipeline from a water inlet end to 2 branch pipelines are respectively a valve-Y-shaped filter-flexible connection-a water outlet end of the fire pump-flexible connection-a butt-clamp check valve or a silencing check valve-a valve-branch pipeline (2) -main pipelines, wherein 4 90-degree tee joints and 4 90-degree elbows are required to be added, and a base is generally 2 400MM cement bases;
the installation must make the water pump produce valve resistance and power consumption, and the resistance point is: tee bend, elbow, Y type filter, butt clamp check valve or noise elimination check valve, this 4 big resistance is approximately 4-8 meters, great loss fire pump's lift, Y type filter play water sectional area is too little, the resistance is big, the inside of butt clamp check valve or noise elimination check valve is spring design, delivery port sectional area is little, the resistance is big, still break down easily, traditional installation must also increase the potential safety hazard in the welding on site, cement foundation's preparation and the great increase time limit for a project of the field installation of water pump and cost of labor, the control part separates the great waste electric wire and cable bridge and the installation cost of water pump.
Meanwhile, in the integrated fire pump set, the filter is required to be installed to filter water input into the fire pump set, the existing positive displacement filter is generally provided with a metal filter pipe inside, a large amount of impurities are accumulated in a filter joint of the metal filter pipe under long-time filtration, and the impurities with large particles are adhered to the surface of the metal filter pipe, so that the subsequent filtering effect is seriously affected, and in order to clean the metal filter pipe, the filter is required to be taken down from the integrated fire pump set, and after manual cleaning, the fire pump set is installed again, so that time and labor are wasted.
Disclosure of Invention
Aiming at the defects of the prior fire pump set in the prior art in the use process, the invention provides an assembled integrated fire pump set, which has the advantages of simplifying an assembly structure, reducing pump energy consumption, carrying out primary filtration through blocking gaps, carrying out secondary filtration through filter cloth or a filter plate, rotating and extruding a movable seat by an extruding rod, moving the movable seat to ensure that the blocking gaps change to finish the crushing and falling of impurities, expanding an expansion ball to reduce the space of a drain hole, loosening and deforming the straightened filter cloth, enabling the filter cloth to be rubbed and washed out by the space change, enabling water to flow into and out of the impurities, enabling the expansion ball to strike a filter plate II to vibrate, and enabling the filter plate I and the filter plate II to move in a staggered manner to crush the impurities, thereby solving the technical problems in the prior art.
The invention provides the following technical scheme: the utility model provides an assembled integration fire pump group, includes switch board, pipeline, the connecting valve and the hose that connecting tube used that pipeline, pipeline of carrying water on channel-section steel, the channel-section steel, its characterized in that: the fire pump is characterized in that the fire pump is fixedly connected to the top end of the channel steel, pipelines are arranged at the input end and the output end of the fire pump, a positive displacement filter is arranged on one side of the fire pump, a water passing hole is formed in the bottom of the positive displacement filter, a connecting valve is fixedly connected to the water passing hole, a pipeline on the input end of the fire pump is communicated with the connecting valve on the positive displacement filter, a drain pipe is fixedly connected to the bottom end of the positive displacement filter, a connecting valve is fixedly connected to the top end of the positive displacement filter, a soft connecting pipe is fixedly connected to the top end of the connecting valve, a water inlet pipe is fixedly connected to the top end of the soft connecting pipe, a ball check valve is fixedly connected to one end of the pipeline on the output end of the fire pump, a buffer tank is fixedly connected to the connecting valve, a soft connecting pipe is fixedly connected to the top end of the connecting valve, and a water outlet pipe is fixedly connected to the top end of the soft connecting pipe.
Preferably, the positive displacement filter comprises a fixed seat, the bottom end of the fixed seat is fixedly connected with an outer sleeve and a filter pipe, a rotating seat is movably sleeved in the fixed seat, and a water pipe is movably sleeved in the rotating seat.
Preferably, the outer sleeve is positioned at the outer side of the filter pipe, the water passing hole is formed in the bottom of the outer sleeve, the bottom end of the outer sleeve is communicated with the top end of the sewage draining pipe, and the top end of the water inlet pipe is communicated with the connecting valve above the positive-displacement filter.
Preferably, one side of positive displacement filter is equipped with clean motor, clean motor's output fixedly connected with driving gear, be equipped with the tooth of equipartition on the rotation seat, the driving gear meshes with the tooth on the rotation seat, the bottom of rotating the seat is in the inner chamber top of filter tube, the bottom fixedly connected with extrusion pole of rotation seat, the one end that the extrusion pole is close to the filter tube inside wall is the arc, the corner of extrusion pole has the fillet, there is the clearance between extrusion pole and the inside wall of filter tube.
Preferably, the filter tube is provided with uniformly distributed drain holes, one end of the drain holes, which is close to the outer side wall of the filter tube, is fixedly connected with a cross seat, one end of the cross seat is fixedly connected with an expansion ball, and one side of the expansion ball is fixedly connected with a movable seat.
Preferably, the cross section of the part of the drain hole close to the inner side wall of the filter tube is isosceles trapezoid, the cross section of the part of the drain hole close to the outer side wall of the filter tube is rectangle, and the cross seat is cross-shaped.
Preferably, the movable seat is movably sleeved in the drain hole, the top end and the bottom end of the movable seat are attached to the inner wall of the drain hole, one end of the movable seat, which is close to the center of the filter tube, is arc-shaped, the cross section of the movable seat is isosceles trapezoid, the trapezoid waist of the movable seat is parallel to the waist of the drain Kong Tixing, round corners are chamfered at the corners of the movable seat, symmetrical sliding rods are fixedly connected to the two waists of the movable seat, one end of each sliding rod penetrates through the filter tube, each sliding rod is T-shaped, one end of each sliding rod is fixedly connected with a spring, and the other end of each spring is fixedly connected with the outer side wall of the filter tube.
Preferably, a blocking gap is formed between the waist of the movable seat and the waist of the drain hole, one end of the movable seat is fixedly connected with two symmetrical filter fabrics, and the other end of the filter fabrics is fixedly connected with the inner wall of the drain hole.
Preferably, the storage groove of symmetry has been seted up in the movable seat, the filter I has been cup jointed to the activity of storage inslot, the fixed cup joint of filter I is in the wash port, filter I is in the rectangular junction with isosceles trapezoid of wash port, the one end fixedly connected with symmetrical filter II of movable seat, one side of filter II is laminated with the one end of filter I, filter II is closer to the inflation ball for filter I, both ends on the cross seat horizontal direction and the inner wall of wash port have the clearance.
The invention has the following beneficial effects:
1. according to the invention, by adopting a connection mode of two flexible connections, a positive displacement filter and a buffer tank, the integrated fire pump unit cancels 4 branch pipelines, simultaneously cancels 4 90-degree three-way pipes, cancels 4 90-degree elbows (90-degree elbows are adopted), cancels 2Y-shaped filters (1-volume filter), cancels 2 clamping check valves or silencing check valves (buffer check valves or large-diameter spherical check valves and buffer tanks), and adopts the original 4 flexible connections, only 2 flexible connections of an inlet and an outlet are needed, and a water pump cement base is cancelled, so that the assembled integrated fire pump unit directly brings resistance reduction, reduces the energy consumption of the fire pump, reduces the material cost, reduces the installation cost, greatly shortens the prefabrication period of a factory, and reduces the labor cost and also reduces the potential safety hazard of field welding.
2. According to the invention, through the blocking gap formed between the movable seat and the drain hole, large-particle impurities are remained in the blocking gap, primary filtration is completed, water from which the large-particle impurities are removed is subjected to secondary filtration through the filter cloth, small-particle impurities are blocked by the filter cloth, and separation of the large-particle impurities and the small-particle impurities is formed, so that a better environment is provided for subsequent impurity removal.
3. According to the invention, the extrusion rod is driven to rapidly rotate through the rotating seat, so that the extrusion rod continuously extrudes the adjacent movable seat, the movable seat is rapidly pressed towards the drain hole, the blocking gap is continuously reduced, so that the large-particle impurities at the position are pressed, ruptured and loosened, meanwhile, the straightened filter cloth is also shrunk, the filter cloth is deformed, the impurities in the gap are extruded, when the extrusion rod leaves, the springs drive the movable seat to rapidly reset, the blocking gap is continuously enlarged, the crushed impurities at the position are stressed and fall off, the filter cloth deformed by shrinkage is rapidly straightened, and the filter cloth is deformed again in the straightening, so that the separation of the impurities at the filtering part is completed.
4. According to the invention, the movable seat is quickly pressed towards the drain hole, so that the movable seat extrudes the expansion ball, the expansion ball is enabled to be changed to extrude water in the drain hole, the expansion ball is enabled to expand and extrude the filter cloth, meanwhile, the reduction of the blocking gap is enabled to discharge water at the position, the filter cloth is enabled to be pressed and extruded in a gradually smaller space to generate deformation, the action similar to 'rubbing' is generated, impurities in the filter cloth are quickly discharged in a large amount in the 'rubbing', when the movable seat is reset, the expansion ball is reset, at the moment, the space is enlarged, surrounding water is enabled to be flushed into the blocking gap and the drain hole, the discharged loose impurities are impacted, and the impurities are taken away.
5. According to the invention, the movable seat is quickly pressed to the drain hole, so that the filter plate I and the filter plate II are staggered, impurities between the filter plate I and the filter plate II are crushed in the staggering, meanwhile, the quick deformation expansion of the expansion ball impacts the filter plate II to generate vibration, and the crushed impurities with smaller volume can be discharged from the filter plate I and the filter plate II by matching with the surging water flow, so that the aim of quick cleaning is fulfilled.
Drawings
FIG. 1 is a schematic diagram of the structure of the present invention;
FIG. 2 is a schematic perspective view of a volumetric filter according to the present invention;
FIG. 3 is a schematic view of the internal structure of the positive displacement filter of the present invention;
FIG. 4 is an enlarged schematic view of a portion of the structure of FIG. 3A in accordance with the present invention;
FIG. 5 is a schematic view of the internal structure of the filter tube of the present invention;
FIG. 6 is a partially enlarged schematic illustration of the structure of FIG. 5B in accordance with the present invention;
FIG. 7 is a schematic perspective view of a movable seat according to the present invention;
FIG. 8 is a schematic view showing the internal structure of a drain hole according to an embodiment of the present invention;
FIG. 9 is a schematic diagram showing the internal structure of a second drain hole according to the embodiment of the present invention;
FIG. 10 is a schematic view of the position of the driving gear according to the present invention.
In the figure: 1. channel steel; 2. a control cabinet; 3. a fire pump; 4. connecting a valve; 5. a positive displacement filter; 6. a blow-down pipe; 7. a pressure gauge; 8. a flexible connection pipe; 9. a water inlet pipe; 10. a ball-type check valve; 11. a buffer tank; 12. a water outlet pipe; 13. a fixing seat; 14. an outer sleeve; 141. a water passing hole; 15. a filter tube; 16. a rotating seat; 17. a water inlet pipe; 18. an extrusion rod; 19. a drain hole; 191. blocking the slit; 20. a cross seat; 21. an expansion ball; 22. a movable seat; 221. a storage groove; 23. a filter cloth; 24. a slide bar; 25. a spring; 26. a filter plate I; 27. a filter plate II; 28. cleaning a motor; 29. a driving gear.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Example 1
Referring to fig. 1, an assembled integrated fire pump set comprises a channel steel 1, a control cabinet 2 on the channel steel 1, a pipeline for conveying water, a connecting valve 4 and a flexible connecting pipe 8 for connecting the pipeline, wherein the top end of the channel steel 1 is fixedly connected with a fire pump 3, the input end and the output end of the fire pump 3 are both provided with the pipeline, one side of the fire pump 3 is provided with a positive displacement filter 5, the bottom of the positive displacement filter 5 is provided with a water passing hole 141, the water passing hole 141 is fixedly connected with the connecting valve 4, the pipeline on the input end of the fire pump 3 is communicated with the connecting valve 4 on the positive displacement filter 5, the bottom of the positive displacement filter 5 is fixedly connected with a sewage draining pipe 6, a manual valve switch is arranged in the sewage draining pipe 6, the sewage draining pipe 6 can be manually opened when sewage is required to be discharged, the top end of the positive displacement filter 5 is fixedly connected with the connecting valve 4, the top end of the connecting valve 4 is fixedly connected with the flexible connecting pipe 8, and the top end of the flexible connecting pipe 8 is fixedly connected with a water inlet pipe 9.
Referring to fig. 1, one end of a pipeline on the output end of the fire pump 3 is fixedly connected with a ball check valve 10, the output end of the ball check valve 10 is fixedly connected with a buffer tank 11, the top end of the buffer tank 11 is fixedly connected with a connecting valve 4, the top end of the connecting valve 4 is fixedly connected with a flexible connecting pipe 8, the top end of the flexible connecting pipe 8 is fixedly connected with a water outlet pipe 12, and pressure gauges 7 are arranged on the positive-displacement filter 5 and the buffer tank 11.
Referring to fig. 1 to 3, fig. 5, the positive-displacement filter 5 includes a fixed seat 13, the bottom fixedly connected with outer tube 14 and filter tube 15 of fixed seat 13, outer tube 14 is located the outside of filter tube 15, water passing hole 141 is seted up in the bottom of outer tube 14, the bottom of outer tube 14 is put through with the top of blow off pipe 6, rotating seat 16 has been cup jointed to the activity in the fixed seat 13, water inlet pipe 17 has been cup jointed to the activity in the rotating seat 16, the top of water inlet pipe 17 is put through with the connection valve 4 above the positive-displacement filter 5, make fire water get into positive-displacement filter 5 through water inlet pipe 17, then filter through filter tube 15, again get into fire pump 3 through water passing hole 141.
Referring to fig. 1 to 3, 5 and 10, a cleaning motor 28 is arranged on one side of the positive-displacement filter 5, a driving gear 29 is fixedly connected to the output end of the cleaning motor 28, uniformly distributed teeth are arranged on the rotating seat 16, the driving gear 29 is meshed with the teeth on the rotating seat 16, the bottom of the rotating seat 16 is positioned at the top of an inner cavity of the filter tube 15, and an extrusion rod 18 is fixedly connected to the bottom end of the rotating seat 16, so that when the cleaning motor 28 is started, the teeth on the rotating seat 16 can be meshed through the driving gear 29, the rotating seat 16 drives the extrusion rod 18 to rotate rapidly, water in the filter tube 15 flows in stirring, one end of the extrusion rod 18, which is close to the inner side wall of the filter tube 15, is arc-shaped, round corners of the extrusion rod 18 are rounded, gaps exist between the extrusion rod 18 and the inner side wall of the filter tube 15, the extrusion rod 18 can contact the round-rounded parts of the movable seat 22 through the rounded parts, and the extrusion rod 18 can move in the direction of the outer sleeve 14 without being blocked by the extrusion rod 22.
Referring to fig. 4, 6 to 8, drain holes 19 are uniformly distributed in the filter tube 15, the cross section of the part of the drain holes 19 close to the inner side wall of the filter tube 15 is isosceles trapezoid, the cross section of the part of the drain holes 19 close to the outer side wall of the filter tube 15 is rectangle, one end of the drain holes 19 close to the outer side wall of the filter tube 15 is fixedly connected with a cross seat 20, the cross seat 20 is cross-shaped, one end of the cross seat 20 is fixedly connected with an expansion ball 21, one side of the expansion ball 21 is fixedly connected with a movable seat 22, so that the expansion ball 21 is positioned between the cross seat 20 and the movable seat 22, and when the movable seat 22 moves towards the outer sleeve 14, the expansion ball 21 can be extruded in the drain holes 19 to expand, water around the expansion ball is extruded, and the space of the drain holes 19 is compressed.
Referring to fig. 6 to 8, the movable seat 22 is movably sleeved in the drain hole 19, the top and bottom ends of the movable seat 22 are both attached to the inner wall of the drain hole 19, so that the movable seat 22 moves under the restriction of the drain hole 19, fire water can be input to the next link after being filtered by the filter cloth 23, one end of the movable seat 22, which is close to the center of the filter tube 15, is arc-shaped, the cross section of the movable seat 22 is isosceles trapezoid, the trapezoid waist of the movable seat 22 is parallel to the trapezoid waist of the drain hole 19, round corners of the movable seat 22 are rounded, symmetrical sliding rods 24 are fixedly connected to the two waists of the movable seat 22, one end of the sliding rod 24 penetrates through the filter tube 15, the sliding rod 24 is in a T shape, one end of the sliding rod 24 is fixedly connected with a spring 25, and the other end of the spring 25 is fixedly connected with the outer side wall of the filter tube 15, so that the movable seat 22 moves linearly under the restriction of the sliding rod 24 and under the action of the spring 25.
Referring to fig. 6 to 8, a blocking gap 191 is formed between the waist of the movable seat 22 and the waist of the drain hole 19, two symmetrical filter cloth 23 are fixedly connected to one end of the movable seat 22, the other end of the filter cloth 23 is fixedly connected with the inner wall of the drain hole 19, the movable seat 22 is extruded by the extrusion rod 18 and moves rapidly towards the outer sleeve 14, the sliding rod 24 is pushed to synchronously move, the spring 25 stretches and stores energy, the gap of the blocking gap 191 is continuously reduced, large-particle impurities in the blocking gap 191 are crushed by compression and loosened in extrusion, water at the position is discharged, meanwhile, the movable seat 22 is extruded by the expansion ball 21, the expansion ball 21 is expanded and deformed around under the extrusion of the cross seat 20 and the movable seat 22, most of the space of the drain hole 19 is filled up rapidly, water at the position is discharged, at the moment, the straight filter cloth 23 is relaxed, the space is continuously reduced, the compression of the filter cloth is compressed, the large-particle impurities in the blocking gap 191 are extruded by the compression and are compressed by the compression rod, the large-particle impurities in the blocking gap 191 are gradually reduced, the water is discharged by the expansion ball, the expansion ball 21 is gradually removed from the expansion ball, the water is discharged by the expansion ball, the expansion ball is gradually removed from the expansion ball 19, and the water is discharged by the expansion ball, the compression of the filter cloth is gradually reduced, and the filter cloth is rapidly removed by the expansion ball 19, and the space is gradually reduced by the compression of the filter cloth, and the filter cloth is gradually reduced by the space, and the space is gradually reduced by the compression, and is reduced by the space, and is gradually reduced by the space, and is reduced.
Example two
On the basis of the first embodiment
Referring to fig. 9, a symmetrical accommodating groove 221 is formed in the movable seat 22, the accommodating groove 221 is movably sleeved with the filter plate I26, the filter plate I26 is fixedly sleeved in the drain hole 19, the filter plate I26 is located at the joint of the rectangle of the drain hole 19 and the isosceles trapezoid, one end of the movable seat 22 is fixedly connected with a symmetrical filter plate II 27, one side of the filter plate II 27 is attached to one end of the filter plate I26, the filter plate II 27 is closer to the expansion ball 21 relative to the filter plate I26, the movable seat 22 is extruded by the extrusion rod 18 to move in the direction of the outer sleeve 14 quickly, the gap of the blocking gap 191 is continuously reduced, large particle impurities in the blocking gap 191 are crushed and loosened in the extrusion, and water at the place is discharged, meanwhile, the movable seat 22 is extruded with the expansion ball 21, the expansion ball 21 is expanded downwards under the extrusion of the cross seat 20 and the movable seat 22, the expansion ball 21 is enabled to rapidly fill most of the space of the drain hole 19, the water at the place is enabled to be discharged, the expansion ball 21 is enabled to collide with the filter plate II 27, the filter plate 27 is enabled to be rapidly pushed into the filter plate II 27 by the expansion ball, the filter plate I26 is enabled to rapidly to be pushed into the expansion ball 27, the expansion ball 21 is enabled to rapidly to be enabled to be pushed into the gap between the expansion ball and the expansion ball 19 and the filter plate 19 to be gradually reduced, the expansion ball is enabled to be enabled to rapidly slide in the expansion ball 19 and the expansion ball to be kept away from the expansion ball 21 and the expansion ball to be gradually and the expansion ball 19 and the expansion ball to be kept away from the expansion ball 19.
The two ends of the cross seat 20 in the horizontal direction are in clearance with the inner wall of the drain hole 19, and the filter plate II 27 can reciprocate from the clearance.
The application method (working principle) of the first embodiment of the invention is as follows:
firstly, starting related switches in a control cabinet 2 to enable a fire pump 3 to be started and open connecting valves 4 at all positions, at the moment, fire water enters a positive displacement filter 5 through a water inlet pipe 9, a soft connecting pipe 8 at the position and the connecting valve 4 at the position, the fire water is led into the filter pipe 15, then flows through blocking gaps 191, at the moment, large particle impurities are blocked by the blocking gaps 191 and adhere to the blocking gaps 191, subsequent small particle impurities are also adhered to the blocking gaps 191 due to the influence of the adhered large particle impurities, the accumulation of impurities in the blocking gaps 191 is increased, then, after the fire water subjected to primary filtration is subjected to secondary filtration through a filter cloth 23, the small particle impurities are blocked by the filter cloth 23, then, the fire water subjected to filtration enters an inner cavity between the filter pipe 15 and an outer sleeve 14 through a water discharge hole 19, then, the fire water flows into the fire pump 3 through a water discharge hole 141 and the connecting valve 4 at the position to be pressurized, the pressurized water enters a buffer tank 11 through a ball check valve 10, then, the pressurized water is slowly flows into a water discharge pipe 12 through the connecting valve 4 at the position to be pressurized, and the fire water is continuously pressurized;
then, when the cleaning of the positive-displacement filter 5 is required, the connecting valve 4 connected with the positive-displacement filter 5 is closed, the supply of fire-fighting water is stopped, then the cleaning motor 28 is started, the driving gear 29 is enabled to rotate and engage with the teeth on the rotating seat 16, the rotating seat 16 drives the extrusion rod 18 to rotate rapidly, one end of the extrusion rod 18 close to the inner wall of the filter tube 15 is enabled to contact with one end of the movable seat 22 far away from the inner wall of the filter tube 15 continuously, the movable seat 22 is enabled to be extruded by the extrusion rod 18 and move rapidly towards the outer sleeve 14, the sliding rod 24 is pushed to move synchronously, the spring 25 is enabled to stretch and store energy, the gap of the blocking gap 191 is enabled to be continuously reduced, large particle impurities in the blocking gap 191 are enabled to be crushed under compression and loosened in extrusion, water is discharged at the same time, the movable seat 22 is enabled to extrude the expansion ball 21, the expansion ball 21 is expanded and deformed to the periphery under the extrusion of the cross seat 20 and the movable seat 22, so that the expansion ball 21 rapidly fills most of the space of the drain hole 19, water at the place is drained, at the moment, the straightened filter cloth 23 is loosened, the deformed space is compressed and extruded to be rubbed by the space which is reduced under the condition that the space of the blocking gap 191 and the drain hole 19 is continuously reduced, impurities in the filter cloth are discharged, when the extrusion rod 18 leaves the movable seat 22 at the place, the movable seat 22 is rapidly reset by the stretched spring 25 through the sliding rod 24, the expansion ball 21 loses pressure and gradually recovers, the space of the drain hole 19 and the blocking gap 191 is rapidly enlarged, surrounding water is introduced into the drain hole 19 and the blocking gap 191, the water into which the impurities are introduced is carried away, the filter cloth 23 is straightened again and deformed, the impurities drop off secondarily in the gap change and shaking of the secondary deformation of the filter cloth;
finally, the cleaning motor 28 is turned off and the sewage discharge pipe 6 is opened after the impurities are removed repeatedly, so that the sewage in the positive displacement filter 5 is discharged from the sewage discharge pipe 6.
The application method (working principle) of the second embodiment of the invention is as follows:
firstly, starting related switches in a control cabinet 2 to enable a fire pump 3 to be started and open connecting valves 4 at all positions, at the moment, fire water enters a positive displacement filter 5 through a water inlet pipe 9, a soft connecting pipe 8 at the position and the connecting valve 4 at the position, the fire water is led into the filter pipe 15, then flows through blocking gaps 191, at the moment, large particle impurities are blocked by the blocking gaps 191 and adhere to the blocking gaps 191, subsequent small particle impurities are also adhered to the blocking gaps 191 due to the influence of the adhered large particle impurities, the accumulation of impurities in the blocking gaps 191 is increased, then, after the fire water subjected to primary filtration is subjected to secondary filtration through a filter cloth 23, the small particle impurities are blocked by the filter cloth 23, then, the fire water subjected to filtration enters an inner cavity between the filter pipe 15 and an outer sleeve 14 through a water discharge hole 19, then, the fire water flows into the fire pump 3 through a water discharge hole 141 and the connecting valve 4 at the position to be pressurized, the pressurized water enters a buffer tank 11 through a ball check valve 10, then, the pressurized water is slowly flows into a water discharge pipe 12 through the connecting valve 4 at the position to be pressurized, and the fire water is continuously pressurized;
then, when the cleaning of the positive-displacement filter 5 is required, the connecting valve 4 connected with the positive-displacement filter 5 is closed, the supply of fire-fighting water is stopped, then the cleaning motor 28 is started, the driving gear 29 is enabled to rotate and engage with the teeth on the rotating seat 16, the rotating seat 16 drives the extrusion rod 18 to rotate rapidly, one end of the extrusion rod 18 close to the inner wall of the filter tube 15 is enabled to contact with one end of the movable seat 22 far away from the inner wall of the filter tube 15 continuously, the movable seat 22 is enabled to be extruded by the extrusion rod 18 and move rapidly towards the outer sleeve 14, the sliding rod 24 is pushed to move synchronously, the spring 25 is enabled to stretch and store energy, the gap of the blocking gap 191 is enabled to be continuously reduced, large particle impurities in the blocking gap 191 are enabled to be crushed under compression and loosened in extrusion, water is discharged at the same time, the movable seat 22 is enabled to extrude the expansion ball 21, the expansion ball 21 is expanded and deformed to the periphery under the extrusion of the cross seat 20 and the movable seat 22, so that the expansion ball 21 rapidly fills most of the space of the drain hole 19, water at the place is drained, the expansion ball 21 is swelled to impact on the filter plate II 27, the filter plate II 27 vibrates, at the moment, the filter plate I26 is continuously pressed into the containing groove 221, the filter plate II 27 continuously stretches out of the drain hole 19, the filter plate I26 and the filter plate II 27 are in staggered movement, impurities between the two are crushed, the impurity volume is reduced, when the extrusion rod 18 leaves the movable seat 22, the movable seat 22 is driven by the sliding rod 24 to rapidly reset, the expansion ball 21 loses pressure and is gradually restored, the space of the drain hole 19 and the blocking gap 191 is rapidly increased, surrounding water is introduced into the drain hole 19 and the blocking gap 191, the impurities are removed by the water introduced, whereas the filter plates i 26 and ii 27 will be reset in an interlaced motion;
finally, the cleaning motor 28 is turned off and the sewage discharge pipe 6 is opened after the impurities are removed repeatedly, so that the sewage in the positive displacement filter 5 is discharged from the sewage discharge pipe 6.
It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The utility model provides an assembled integration fire pump group, includes switch board (2), pipeline, connecting valve (4) and hose (8) that connecting tube used on channel-section steel (1), conveying water, its characterized in that: the top end of the channel steel (1) is fixedly connected with a fire pump (3), the input end and the output end of the fire pump (3) are both provided with pipelines, one side of the fire pump (3) is provided with a positive displacement filter (5), the bottom of the positive displacement filter (5) is provided with a water passing hole (141), the water passing hole (141) is fixedly connected with a connecting valve (4), the pipeline on the input end of the fire pump (3) is communicated with the connecting valve (4) on the positive displacement filter (5), the bottom end of the positive displacement filter (5) is fixedly connected with a sewage drain pipe (6), the top end of the positive displacement filter (5) is fixedly connected with the connecting valve (4), the top end of the connecting valve (4) is fixedly connected with a flexible connecting pipe (8), the top end of the flexible connecting pipe (8) is fixedly connected with a water inlet pipe (9), one end of a pipeline on the output end of the fire pump (3) is fixedly connected with a ball check valve (10), the output end of the ball check valve (10) is fixedly connected with a buffer tank (11), the top end of the buffer tank (11) is fixedly connected with the connecting valve (4), the top end of the connecting valve (4) is fixedly connected with the flexible connecting pipe (8), the top end of the flexible connecting pipe (8) is fixedly connected with a water outlet pipe (12), the positive displacement filter (5) and the buffer tank (11) are provided with pressure gauges (7);
the positive displacement filter (5) comprises a fixed seat (13), an outer sleeve (14) and a filter pipe (15) are fixedly connected to the bottom end of the fixed seat (13), a rotating seat (16) is movably sleeved in the fixed seat (13), and a water pipe (17) is movably sleeved in the rotating seat (16);
one side of the positive-displacement filter (5) is provided with a cleaning motor (28), the output end of the cleaning motor (28) is fixedly connected with a driving gear (29), teeth which are uniformly distributed are arranged on the rotating seat (16), the driving gear (29) is meshed with the teeth on the rotating seat (16), the bottom of the rotating seat (16) is positioned at the top of an inner cavity of the filter tube (15), the bottom of the rotating seat (16) is fixedly connected with an extrusion rod (18), one end, close to the inner side wall of the filter tube (15), of the extrusion rod (18) is arc-shaped, round corners of the extrusion rod (18) are rounded, and gaps exist between the extrusion rod (18) and the inner side wall of the filter tube (15); the filter tube (15) is provided with uniformly distributed drain holes (19), one end of the drain holes (19) close to the outer side wall of the filter tube (15) is fixedly connected with a cross seat (20), one end of the cross seat (20) is fixedly connected with an expansion ball (21), one side of the expansion ball (21) is fixedly connected with a movable seat (22), and the movable seat (22) is extruded by an extrusion rod (18) and moves towards the direction of the outer sleeve (14); the cross section of the part of the drain hole (19) close to the inner side wall of the filter tube (15) is isosceles trapezoid, the cross section of the part of the drain hole (19) close to the outer side wall of the filter tube (15) is rectangle, and the cross seat (20) is cross-shaped; the movable seat (22) is movably sleeved in the drain hole (19), the top end and the bottom end of the movable seat (22) are attached to the inner wall of the drain hole (19), one end of the movable seat (22) close to the center of the filter tube (15) is arc-shaped, the cross section of the movable seat (22) is isosceles trapezoid, the trapezoid waist of the movable seat (22) is parallel to the trapezoid waist of the drain hole (19), round corners are chamfered at the corners of the movable seat (22), symmetrical sliding rods (24) are fixedly connected to the two waists of the movable seat (22), one end of each sliding rod (24) penetrates through the filter tube (15), each sliding rod (24) is T-shaped, one end of each sliding rod (24) is fixedly connected with a spring (25), and the other end of each spring (25) is fixedly connected with the outer side wall of the filter tube (15); a blocking gap (191) is formed between the waist of the movable seat (22) and the waist of the drain hole (19), one end of the movable seat (22) is fixedly connected with two symmetrical filter cloths (23), and the other end of the filter cloth (23) is fixedly connected with the inner wall of the drain hole (19).
2. The fabricated, integrated fire pump unit of claim 1, wherein: the outer sleeve (14) is positioned at the outer side of the filter pipe (15), the water passing hole (141) is formed in the bottom of the outer sleeve (14), the bottom end of the outer sleeve (14) is communicated with the top end of the sewage draining pipe (6), and the top end of the water inlet pipe (17) is communicated with the connecting valve (4) above the positive-displacement filter (5).
3. The fabricated, integrated fire pump unit of claim 1, wherein: the utility model discloses a filter plate, including movable seat (22), filter plate I (26) are connected in the fixed sleeve joint in wash port (19), filter plate I (26) are in the junction of wash port (19) rectangle and isosceles trapezoid, the one end fixedly connected with symmetry of movable seat (22) filter II (27), one side of filter II (27) is laminated with the one end of filter I (26), filter II (27) is closer to expansion ball (21) for filter plate I (26), both ends on cross seat (20) horizontal direction and the inner wall of wash port (19) exist the clearance.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202211467338.9A CN115823029B (en) | 2022-11-22 | 2022-11-22 | Assembled integrated fire pump group |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211467338.9A CN115823029B (en) | 2022-11-22 | 2022-11-22 | Assembled integrated fire pump group |
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| CN115823029A CN115823029A (en) | 2023-03-21 |
| CN115823029B true CN115823029B (en) | 2024-01-19 |
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| CN202211467338.9A Active CN115823029B (en) | 2022-11-22 | 2022-11-22 | Assembled integrated fire pump group |
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|---|---|
| CN115823029A (en) | 2023-03-21 |
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