CN113464447B - Water-steam separation type circulating pump - Google Patents
Water-steam separation type circulating pump Download PDFInfo
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- CN113464447B CN113464447B CN202110876473.8A CN202110876473A CN113464447B CN 113464447 B CN113464447 B CN 113464447B CN 202110876473 A CN202110876473 A CN 202110876473A CN 113464447 B CN113464447 B CN 113464447B
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D7/00—Pumps adapted for handling specific fluids, e.g. by selection of specific materials for pumps or pump parts
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/007—Details, component parts, or accessories especially adapted for liquid pumps
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04D—NON-POSITIVE-DISPLACEMENT PUMPS
- F04D29/00—Details, component parts, or accessories
- F04D29/70—Suction grids; Strainers; Dust separation; Cleaning
- F04D29/708—Suction grids; Strainers; Dust separation; Cleaning specially for liquid pumps
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- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
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Abstract
The invention relates to a water-vapor separation type circulating pump which comprises a pump body, wherein the pump body is provided with a water-vapor channel and a steam channel, and the water-vapor channel and the steam channel are shunted at an inlet and converged at a pump cavity; the flexible cover I comprises a screen cover body and a shielding body, wherein the screen cover body is integrally arranged, and the shielding body is arranged around the screen cover body; an activated portion located within the pump cavity below the first flexible cover; the opening and closing valve head is positioned on a water outlet of the pump cavity below the started part; when the water-steam mixture props up the started part, the first flexible cover is suitable for sequentially showing a concave shape, a flat shape and a convex shape and lifting the opening and closing valve head to open the water outlet. According to the invention, the first flexible cover and the second flexible cover are adopted, so that water drops which are liquefied when meeting cold in steam are discharged to the bottom of the pump body, and the water-steam separation effect is improved.
Description
Technical Field
The invention relates to a pump body, in particular to a water-vapor separation type circulating pump.
Background
In the water-vapor separation circulating pump in the prior art, in the water-vapor separation process, the whole pump body can only singly bear water with fixed flow and fixed reserve capacity due to the limitation of a pipeline;
the common circulating pump adopts a ball valve sealing mode, the ball valve sealing mode needs to realize separation by means of a partition, the common partition mode adopts an upwards-protruding partition, and the partition has the following defects:
1. steam at the steam channel carries partial water vapor, the water vapor is liquefied in the steam channel to form water drops in the passing process, then the water drops fall onto the partition to form sputtering, and the water drops subjected to sputtering are wrapped and carried away with the steam again;
2. the partition is upwards convex, the ball valve can impact the partition in the process that the ball valve floats upwards along with water flow, and the ball valve can integrally push the partition to cause poor partition fixing effect along with the continuous increase of buoyancy.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to overcome one of the technical problems in the prior art, a water-vapor separation type circulating pump with a good pressure resistance effect is provided.
The technical scheme adopted by the invention for solving the technical problems is as follows: a water-vapor separation type circulating pump comprises a water tank,
the pump body is provided with a water vapor channel and a steam channel, and the water vapor channel and the steam channel are shunted at the inlet and converged at the pump cavity;
the flexible cover I is an integrally arranged net cover body, and a shielding body is arranged around the flexible cover I;
an activated portion located within the pump cavity below the first flexible cover;
the opening and closing valve head is positioned on a water outlet of the pump cavity below the started part;
when the water-steam mixture props up the started part, the first flexible cover is suitable for sequentially showing a concave shape, a flat shape and a convex shape and lifting the opening and closing valve head to open the water outlet.
Further, an actuating rod is fixedly connected between the first flexible cover and the actuated part, wherein the actuating rod is lifted along with the lifting of the actuated part so as to drive the first flexible cover to sequentially present a concave shape, a flat shape and a convex shape. When being promoted by the start-up portion under the effect of steam, drive the actuating lever rebound to prop open flexible cover one, flexible cover one presents spill, flat and flat shape and convex in proper order, and at this in-process, flexible cover one has also played the cushioning effect. The flexible cover is concave when in an initial state for temporarily storing water droplets liquefied from the vapor. When the first flexible cover is convex, namely umbrella-shaped, water drops in a part of steam can drop on the first flexible cover or directly drop to the bottom of the pump cavity, and the other part of the steam drops temporarily stored in the first concave flexible cover. Meanwhile, in the process that the starting rod props the first flexible cover, the first flexible cover shakes, and water drops on the first flexible cover drop in an acceleration mode. The starting rod plays a role in guiding water, and a part of water drops can drop to the bottom of the pump cavity from the starting rod. The first flexible cover also has a limiting function, and the upward movement stroke of the started part is limited.
Furthermore, a connecting pipeline is arranged at the joint of the steam channel and the pump cavity, a second flexible cover is arranged at the connecting pipeline, the starting rod penetrates through the first flexible cover to be fixedly connected with the second flexible cover, a plurality of through holes are formed in the second flexible cover, and the edge of the second flexible cover is fixedly connected with the connecting pipeline; when the actuating rod is lifted along with the lifting of the actuated part, the flexible cover II sequentially takes on a concave shape, a flat shape and a convex shape. The flexible covers are in the concave shape, water drops which are liquefied when meeting cold are distributed on the outer walls of the flexible covers II, and the concave flexible covers I are temporarily used for storing the water drops which are liquefied in the steam. The second flexible cover is similar to the flexible cover, the second flexible cover is unfolded by the starting rod along with the lifting of the starting part, and the second flexible cover sequentially presents a concave shape, a flat shape and a convex shape along with the lifting of the starting rod. In the process, the second flexible cover also plays a role in buffering. When flexible cover two is the convex, umbrella shape promptly, the water droplet of temporary storage will drop from the through-hole along the inclined plane of flexible cover two in flexible cover two when the concave state, still can be under the effect of the through-hole of flexible cover two in the continuous liquefied water droplet simultaneously, drip to flexible cover one or directly fall to pump cavity bottom, the water droplet that drips on flexible cover one is under the effect of flexible cover one, drip to the bottom of pump cavity, at this in-process, flexible cover two has also played the drainage effect. Meanwhile, in the process that the starting rod props up the second flexible cover and the first flexible cover, the second flexible cover and the first flexible cover can shake, and water drops on the second flexible cover and the first flexible cover drop in an acceleration mode. The starting rod penetrates through the first flexible cover and is fixedly connected with the second flexible cover, the starting rod also plays a role in flow guiding, and a part of water drops can drop onto the first flexible cover from the starting rod or directly drop to the bottom of the pump cavity.
Furthermore, the through hole is formed in one surface, close to the inlet of the pump body, of the second flexible cover. The through hole is arranged close to one surface of the inlet of the pump body, so that water drops formed by steam liquefaction are prevented from splashing to a steam outlet of the pump cavity in a downward dropping process, and part of the water drops are wrapped and carried along with steam again.
Furthermore, a pushing block is sleeved on the starting rod and is positioned above and below the first flexible cover or the second flexible cover. The push block is arranged on the starting rod and is a circular ring, and the push block pushes the flexible cover I or the flexible cover II to deform, namely the push block pushes the flexible cover I or the flexible cover II to change into a concave shape, a flat shape and a convex shape. The pushing block improves the deformation effect of the first flexible cover or the second flexible cover, so that the first flexible cover or the second flexible cover is better deformed. If not set up the ejector pad, the actuating lever is the shaft-like, and when the actuating lever reciprocated, it is unlikely to be so that flexible cover one or flexible cover two takes place deformation, perhaps flexible cover one or flexible cover two shape deformation effect is not good to can not be fine with steam separation.
Furthermore, the started part is spherical, and a cleaning sleeve is sleeved on the started part, wherein the size of the cleaning sleeve corresponds to that of the pump cavity; the cleaning sleeve is provided with a water dripping hole. The cleaning sleeve is fixed on the started part and clings to the inner wall of the pump cavity. By the effect of start-up portion under the water vapor mixture, by start-up portion upward movement to the extrusion is by the atmospheric pressure of start-up portion top, makes the steam of top follow the steam outlet in the pump cavity fast, has improved the orientation that steam flows. Meanwhile, in the process that the started part moves upwards, the cleaning sleeve around the started part washes the inner wall of the pump cavity to keep the inner wall of the pump cavity clean. The arrangement of the water dripping holes can enable water drops to drip to the bottom of the pump cavity from the water dripping holes.
Furthermore, the cleaning sleeve is made of rubber. Adopt the rubber material, improved clean effect, secondly, the rubber material makes clean cover tighter with the laminating of pump cavity inner wall.
Furthermore, a connecting rod is connected to the started part, and the opening and closing valve head is fixed on the connecting rod.
When the water outlet is opened, the valve head is driven to move upwards by the connecting rod, so that the water outlet is opened.
Further, a steam outlet is arranged in the pump cavity, wherein the steam outlet is positioned above the first flexible cover.
Further, the size of the first flexible cover is consistent with that of the pump cavity.
The invention has the beneficial effects that: 1. according to the invention, the first flexible cover and the second flexible cover are adopted, so that water drops which are liquefied when meeting cold in steam are discharged to the bottom of the pump body, and the water-steam separation effect is improved; the first flexible cover and the second flexible cover are made of rubber materials, so that splashing of water drops on the first flexible cover or the second flexible cover is reduced; because the starting rod is fixedly connected with the started part, the first flexible cover and the second flexible cover which are made of rubber, the first flexible cover and the second flexible cover play a role in buffering when the started part ascends or descends.
2. The starting rod is fixedly connected with the first flexible cover and the second flexible cover in sequence, and water drops on the first flexible cover and the second flexible cover can flow downwards to the bottom of the pump cavity along the starting rod, so that the water guide effect is achieved.
3. According to the cleaning sleeve sleeved on the started part, when the started part moves upwards or downwards, the cleaning sleeve can clean the inner wall of the pump cavity and keep clean, and meanwhile, the sealing effect is achieved, when the cleaning sleeve moves upwards, air pressure above the started part is squeezed, steam above the steam outlet in the pump cavity can rapidly flow out, and the flowing direction of the steam is improved.
4. The first flexible cover and the second flexible cover can deform in the floating process of the started part, and the phenomenon that the started part impacts the first flexible cover is avoided.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic of the water vapor flow of the present invention;
FIG. 2 is a schematic view of the overall structure of the present invention;
FIG. 3 is a view of the concave shape of the first and second flexible covers of the present invention;
FIG. 4 is a view of the first and second convex configurations of the flexible cover of the present invention;
FIG. 5 is a schematic view of a flexible cover construction of the present invention;
in the figure: 1. a pump body; 2. a water vapor channel; 3. a steam channel; 4. a pump cavity; 5. a first flexible cover; 6. a second flexible cover; 7. an actuating lever; 8. a started part; 9. a shielding body; 10. opening and closing the valve head; 11. connecting a pipeline; 12. a through hole; 13. an inlet; 14. a push block; 15. cleaning the sleeve; 16. a water dripping hole; 17. a connecting rod; 18. and (4) a steam outlet.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1, a water-vapor separation type circulation pump of the present invention includes,
the pump comprises a pump body 1, wherein the pump body 1 is provided with a water vapor channel 2 and a steam channel 3, the water vapor channel 2 and the steam channel 3 are shunted to an inlet 13 and converged to a pump cavity 4;
the flexible cover I5 is an integrally arranged net cover body, and the periphery of the flexible cover I5 is surrounded by a shielding body 9;
an activated part 8, wherein the activated part 8 is positioned in the pump cavity 4 below the flexible cover I5;
the opening and closing valve head 10 is positioned on the water outlet of the pump cavity 4 below the started part 8, and the opening and closing valve head 10 is positioned on the water outlet of the pump cavity 4 below the started part 8;
when the water-steam mixture props up the started part 8, the flexible cover 5 is suitable for sequentially showing a concave shape, a flat shape and a convex shape and lifting the opening and closing valve head 10 to open the water outlet.
An actuating rod 7 is fixedly connected between the flexible cover I5 and the actuated part 8, wherein the actuating rod 7 is lifted along with the lifting of the actuated part 8 so as to drive the flexible cover I5 to sequentially present a concave shape, a flat shape and a convex shape. When being promoted by the start-up portion 8 under the effect of steam, drive start-up lever 7 and upwards remove to prop open flexible cover 5, flexible cover 5 presents spill, flat and flat shape and convex in proper order, and at this in-process, flexible cover 5 has also played the cushioning effect. The flexible cover 5 is concave when in an initial state and is used for temporarily storing water drops formed by liquefaction in the steam. When the first flexible cover 5 is convex, namely umbrella-shaped, water drops in a part of steam can drop on the first flexible cover 5 or directly drop to the bottom of the pump cavity 4, and the other part of the steam drops temporarily stored in the concave first flexible cover 5. due to the fact that the first flexible cover 5 is opened to be convex, the water drops drop to the bottom of the pump cavity 4 under the action of the first flexible cover 5, and in the process, the first flexible cover 5 also plays a drainage role. Meanwhile, in the process of expanding the flexible cover-5 by the actuating rod 7, the flexible cover-5 can shake, and the water drops on the flexible cover-5 are accelerated to fall off. The actuating rod 7 serves as a flow guide, and a part of water drops can drop from the actuating rod 7 to the bottom of the pump cavity 4. The first flexible cover 5 also plays a limiting role, and the upward movement stroke of the started part 8 is limited.
A connecting pipeline 11 is arranged at the joint of the steam channel 3 and the pump cavity 4, a flexible cover II 6 is arranged at the joint of the connecting pipeline 11, the starting rod 7 penetrates through the flexible cover I5 to be fixedly connected with the flexible cover II 6, a plurality of through holes 12 are formed in the flexible cover II 6, and the edge of the flexible cover II 6 is fixedly connected with the connecting pipeline 11; when the actuating rod 7 is lifted along with the lifting of the actuated part 8, the flexible cover two 6 sequentially takes on a concave shape, a flat shape and a convex shape. The first flexible cover 5 is in a concave shape at first, the outer wall of the second flexible cover 6 is full of water drops which are liquefied when being cooled, and the first concave flexible cover 5 is temporarily used for storing the water drops which are liquefied in the steam. The second flexible cover 6 is the same as the first flexible cover 5, the second flexible cover 6 is unfolded by the starting rod 7 along with the lifting of the started part 8, and the second flexible cover 6 sequentially takes on a concave shape, a flat shape and a convex shape along with the lifting of the starting rod 7. In the process, the second flexible cover 6 also plays a role of buffering. When the second flexible cover 6 is convex, namely umbrella-shaped, water drops temporarily stored in the second flexible cover 6 in the concave state drop from the through hole 12 along the inclined plane of the second flexible cover 6, meanwhile, the water drops continuously liquefied can drop on the first flexible cover 5 or directly drop to the bottom of the pump cavity 4 under the action of the through hole 12 of the second flexible cover 6, the water drops dropping on the first flexible cover 5 drop to the bottom of the pump cavity 4 under the action of the first flexible cover 5, and in the process, the second flexible cover 6 also plays a role in drainage. Meanwhile, in the process that the actuating rod 7 props up the second flexible cover 6 and the first flexible cover 5, the second flexible cover 6 and the first flexible cover 5 shake, and water drops on the second flexible cover 6 and the first flexible cover 5 are accelerated to fall. The starting rod 7 penetrates through the first flexible cover 5 to be fixedly connected with the second flexible cover 6, the starting rod 7 also plays a role in guiding water, and a part of water drops can drop onto the first flexible cover 5 from the starting rod 7 or directly drop to the bottom of the pump cavity 4.
The through hole 12 is arranged on one surface of the flexible cover II 6 close to the inlet 13 of the pump body 1. The through hole 12 is arranged close to one surface of the inlet 13 of the pump body 1, so that water drops formed by liquefaction of steam are prevented from splashing to the steam outlet 18 of the pump cavity 4 in the process of dripping downwards, and part of the water drops are wrapped and carried away with the steam again.
The starting rod 7 is sleeved with a push block 14, and the push block 14 is positioned above and below the first flexible cover 5 or the second flexible cover 6. A push block 14 is arranged on the starting rod 7, the push block 14 is a circular ring, and the push block 14 pushes the first flexible cover 5 or the second flexible cover 6 to deform, namely the push block 14 pushes the first flexible cover 5 or the second flexible cover 6 to change into a concave shape, a flat shape and a convex shape. The pushing block 14 improves the deformation effect of the first flexible cover 5 or the second flexible cover 6, so that the first flexible cover 5 or the second flexible cover 6 is better deformed. If do not set up ejector pad 14, actuating lever 7 is the shaft-like, and when actuating lever 7 reciprocated, it is not necessarily can make flexible cover one 5 or flexible cover two 6 take place deformation, perhaps flexible cover one 5 or flexible cover two 6 deformation effect is not good to can not be fine with the steam separation.
The started part 8 is spherical, a cleaning sleeve 15 is sleeved on the started part 8, wherein the size of the cleaning sleeve 15 corresponds to that of the pump cavity 4; the cleaning sleeve 15 is provided with a water dripping hole 16. The cleaning sleeve 15 is fixed on the started part 8 and clings to the inner wall of the pump cavity 4. The started part 8 moves upwards under the action of the water-vapor mixture, so that the air pressure above the started part 8 is extruded, the steam above the started part rapidly flows from the steam outlet 18 in the pump cavity 4, and the flowing directionality of the steam is improved. Meanwhile, in the process that the started part 8 moves upwards, the cleaning sleeve 15 around the started part 8 cleans the inner wall of the pump cavity 4, and the inside of the pump cavity 4 is kept clean. The drip holes 16 are arranged to allow water droplets to drip from the drip holes 16 to the bottom of the pump chamber 4.
The cleaning sleeve 15 is made of rubber. Adopt the rubber material, improved clean effect, secondly, the rubber material makes clean cover 15 and 4 inner walls of pump chamber laminate tighter.
The activated part 8 is connected with a connecting rod 17, and the connecting rod 17 is fixed with the opening and closing valve head 10. When the starting part 8 lifts, the connecting rod 17 is driven, and the connecting rod 17 drives the opening and closing valve head 10 to move upwards, so that the water outlet is opened.
A steam outlet 18 is arranged in the pump cavity 4, wherein the steam outlet 18 is positioned above the first flexible cover 5.
The size of the first flexible cover 5 is consistent with that of the pump cavity 4.
When the first flexible cover 5 and the second flexible cover 6 are in the concave shape, the activated part 8 does not start to lift. In the process of water-gas separation, more and more water vapor at the bottom can be accumulated, so that the started part 8 is promoted to be lifted suddenly; during the lifting process, due to the existence of the flexible cover I5 and the flexible cover II 6, the flexible cover I can act as a good buffer air bag to prevent the sudden impact of the started part so as to protect all parts;
synchronously, in the process of water-gas separation, steam is liquefied when meeting cold in the pipeline, and a part of liquefied water drops are firstly gathered towards the bottom of the middle end of the flexible cover II 6 and then slide into the flexible cover I5 along the side wall of the starting rod 7 under the action of gravity, so that the water drops are prevented from hanging and dropping to generate sputtering to fall into the steam outlet 18 to a certain extent; another part of the liquefied water drops directly drop downward and form spatters after touching the surface of the flexible cover-5, and at this time, because the flexible cover-5 is in a concave shape, the spattered water drops are covered in the flexible cover-5, and the disturbance of the spattered water drops to the steam at the steam outlet 18 is largely prevented.
Part of the water drops are stuck to the hole opening of the first flexible cover 5 or the through hole 12 of the second flexible cover 6 under the action of tension, and along with the continuous jacking process of the starting rod 7, the first flexible cover 5 and the second flexible cover 6 start to gradually deform to break the dynamic balance of the water drops, so that the water drops are broken to promote the water drops to be discharged.
The starting part 8 continuously lifts to enable the starting rod 7 to push the first flexible cover 5 and the second flexible cover 6 until the first flexible cover 5 and the second flexible cover 6 are convex, at the moment, the water outlet is completely opened, a large amount of water vapor is discharged, and the starting part 8 gradually falls along with the discharge of the water vapor to enable the first flexible cover 5 and the second flexible cover 6 to recover to the concave shape. In the whole process, the first flexible cover 5 changes from the concave shape to the convex shape in a circulating mode, and the second flexible cover 6 changes from the concave shape to the convex shape in a synchronous circulating mode, so that water drops are promoted to be discharged in the shaking process.
The working principle is as follows: as shown in figure 1, the steam-water mixture enters into pump cavity 4 from inlet 13, and steam flows into the pump cavity 4 from the steam channel 3 of top, and the steam-water mixture enters into pump cavity 4 bottom from steam channel 2, and the steam-water mixture shore is by starting part 8, and constantly enters into pump cavity 4 bottom along with the steam-water mixture that lasts. Steam above the pump cavity 4 is liquefied into water drops when meeting cold and is attached to the flexible cover II 6 and the flexible cover I5, and the water drops slowly accumulate in the flexible cover I5 and the flexible cover II 6 due to the fact that the flexible cover I5 and the flexible cover II 6 in the initial state are concave, and part of the water drops can flow downwards to the bottom of the pump cavity 4 along the starting rod 7. When the water-vapor mixture at the bottom of the pump cavity 4 is increased continuously, the started part 8 is lifted upwards due to buoyancy.
In the lifting process, the started part 8 firstly drives the starting rod 7 to move upwards, the first flexible cover 5 and the second flexible cover 6 gradually change from a concave shape to a flat shape and finally to a convex shape until the started part 8 cannot move upwards under the limit of the first flexible cover 5.
When the first and second flexible covers 5 and 6 become convex, i.e., umbrella-shaped, as shown in fig. 2, the size of the first flexible cover 5 corresponds to the size of the pump chamber 4. The water drops accumulated in the flexible cover II 6 drop onto the flexible cover I5 from the through hole 12, the water drops accumulated in the flexible cover I5 and the water drops flowing down from the flexible cover II 6 flow to the started part 8 and the cleaning sleeve 15 because the flexible cover I5 is a net cover body, and the water drops drop to the bottom of the pump cavity 4 from the water dropping hole 16 because the cleaning sleeve 15 is provided with the water dropping hole 16.
Because the opening and closing valve head 10 at the bottom of the started part 8 is opened, and the air pressure at the bottom of the started part 8 is rapidly reduced, the time for the first flexible cover 5 and the second flexible cover 6 to become convex is very short, the time for water drops to drop from the second flexible cover 6 to the first flexible cover 5 is very short, and the through hole 12 is formed in the surface, close to the inlet 13 of the pump body 1, of the second flexible cover 6, so that the water drops formed by steam liquefaction are effectively prevented from splashing to the steam outlet 18 of the pump cavity 4 in the process of dropping downwards, and part of the water drops are wrapped again and flow away along with the steam.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. A water-vapor separation type circulating pump is characterized by comprising,
the pump comprises a pump body (1), wherein the pump body (1) is provided with a water vapor channel (2) and a steam channel (3), the water vapor channel (2) and the steam channel (3) are shunted at an inlet (13) and converged at a pump cavity (4);
the flexible cover I (5), the flexible cover I (5) is an integrally arranged net cover body, and a shielding body (9) is arranged around the flexible cover I (5);
an actuated portion (8), the actuated portion (8) being located within the pump cavity (4) below the first flexible cover (5);
the opening and closing valve head (10), the opening and closing valve head (10) is positioned on the water outlet of the pump cavity (4) below the started part (8);
when the water-steam mixture props up the started part (8), the first flexible cover (5) is suitable for sequentially showing a concave shape, a flat shape and a convex shape and lifting the opening and closing valve head (10) to open the water outlet.
2. The water vapor separation-type circulation pump according to claim 1,
an actuating rod (7) is fixedly connected between the first flexible cover (5) and the actuated part (8), wherein
The starting rod (7) is lifted along with the lifting of the started part (8) so as to drive the flexible cover I (5) to sequentially present a concave shape, a flat shape and a convex shape.
3. The water vapor separation type circulation pump according to claim 2,
a connecting pipeline (11) is arranged at the joint of the steam channel (3) and the pump cavity (4), a second flexible cover (6) is arranged at the joint of the connecting pipeline (11), and the starting rod (7) penetrates through the first flexible cover (5) to be fixedly connected with the second flexible cover (6), and is
A plurality of through holes (12) are formed in the second flexible cover (6), and the edge of the second flexible cover (6) is fixedly connected with the connecting pipeline (11);
when the starting rod (7) is lifted along with the lifting of the started part (8), the second flexible cover (6) sequentially takes on a concave shape, a flat shape and a convex shape.
4. The water vapor separation type circulation pump according to claim 3,
the through hole (12) is formed in one surface, close to the inlet (13) of the pump body (1), of the second flexible cover (6).
5. The water vapor separation type circulation pump according to claim 3,
the starting rod (7) is sleeved with a push block (14), and the push block (14) is located above and below the flexible cover I (5) or the flexible cover II (6).
6. The water vapor separation-type circulation pump according to claim 1,
the started part (8) is spherical, and a cleaning sleeve (15) is sleeved on the started part (8), wherein
The size of the cleaning sleeve (15) corresponds to the size of the pump cavity (4);
the cleaning sleeve (15) is provided with a water dripping hole (16).
7. The water vapor separation type circulation pump according to claim 6,
the cleaning sleeve (15) is made of rubber.
8. The water vapor separation-type circulation pump according to claim 1,
the started part (8) is connected with a connecting rod (17), and the connecting rod (17) is fixed with the opening and closing valve head (10).
9. The water vapor separation-type circulation pump according to claim 1,
a steam outlet (18) is arranged in the pump cavity (4), wherein,
the steam outlet (18) is positioned above the first flexible cover (5).
10. The water vapor separation-type circulation pump according to claim 1,
the size of the first flexible cover (5) is consistent with that of the pump cavity (4).
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