CN216812170U

CN216812170U - Chemical centrifugal pump with heat exchange cavity

Info

Publication number: CN216812170U
Application number: CN202220525928.1U
Authority: CN
Inventors: 马健; 张吉东
Original assignee: Shenyang Hangfa Chuangyi Machinery Co ltd
Current assignee: Shenyang Hangfa Chuangyi Machinery Co ltd
Priority date: 2022-03-11
Filing date: 2022-03-11
Publication date: 2022-06-24
Anticipated expiration: 2032-03-11

Abstract

The utility model discloses a chemical centrifugal pump with a heat exchange cavity, which comprises a pump body and a liquid inlet end, wherein the surface of one side of the pump body is in through connection with the liquid inlet end, and the outer wall of the liquid inlet end is fixedly sleeved with the heat exchange cavity. Has the advantages that: the pump body is carrying out the during operation, the heat exchanger passes through the inlet with heat transfer medium and inputs the heat transfer chamber in, heat transfer medium follows supreme entering into the capillary down, and flow back to in the heat exchanger from the liquid outlet, accomplish the circulation heat transfer, and heat transfer intracavity wall and feed liquor end outer wall butt, give the feed liquor end with heat transfer through heat-conduction, the feed liquor end gives conveying liquid with heat transfer through heat-conduction, and simultaneously, conveying liquid contacts with the capillary outer wall when flowing, accomplish heat exchange through heat-conducting mode equally, the capillary has increased the area of contact with conveying liquid, heat exchange efficiency is improved, and simultaneously, the heat transfer chamber is installed in impeller storehouse the place ahead, carry out the heat exchange to conveying liquid before conveying liquid enters into impeller storehouse, the harm to the impeller has been reduced.

Description

Chemical centrifugal pump with heat exchange cavity

Technical Field

The utility model relates to the technical field of chemical centrifugal pumps, in particular to a chemical centrifugal pump with a heat exchange cavity.

Background

The working principle of the chemical centrifugal pump is that under the condition that the pump is filled with water, the impeller rotates to generate centrifugal force, water in the impeller channel is thrown to the periphery under the action of the centrifugal force and flows into the pump shell, so that the central pressure of the impeller is reduced, the pressure is lower than the pressure in the water inlet pipe, and the water flows into the impeller from the water suction pool under the action of the pressure difference, so that the water pump can continuously suck water and continuously supply water.

When the chemical centrifugal pump is used for conveying liquid which is easy to crystallize, heating equipment needs to be additionally arranged, when the liquid with higher temperature is conveyed, cooling equipment needs to be arranged, a mode of arranging a heat exchange cavity behind an impeller is already existed in the current stage, heat exchange is carried out on the liquid in an impeller bin through heat conduction, so that the problems of crystallization and overhigh temperature are solved, however, as the liquid enters the impeller bin at the moment, the liquid is contacted with the impeller, the influence caused by crystallization or overhigh temperature is generated, the heat exchange efficiency is obviously reduced, the heat exchange area of the mode is small, the heat exchange efficiency is low, improvement can be further carried out, meanwhile, a pump body provided with the filtering equipment at the liquid inlet end is also appeared in the current stage, but the filtering equipment mainly comprises a filter screen connected by bolts, and is troublesome to disassemble and replace, further improvements may also be made.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides the chemical centrifugal pump with the heat exchange cavity, which has the advantages of high heat exchange efficiency and convenience in replacement of filtering equipment, and further solves the problems in the background technology.

(II) technical scheme

In order to realize the advantages of high heat exchange efficiency and convenient replacement of filtering equipment, the utility model adopts the following specific technical scheme:

chemical industry centrifugal pump with heat exchange cavity, including the pump body and feed liquor end, pump body side surface through connection has the feed liquor end, and the fixed heat transfer cavity that has cup jointed of feed liquor end outer wall to heat transfer intracavity wall through connection has the capillary, the capillary run through the feed liquor end and with feed liquor end sealing connection, heat transfer cavity top surface through connection has the liquid outlet, and heat transfer cavity bottom surface through connection has the inlet.

Further, the inside capillary place ahead slant fixed mounting that is located of feed liquor end has the collar, and collar outside fixed surface installs the magnet ring to magnet ring opposite side surface adsorbs there is the swash plate, swash plate opposite side fixed surface installs the filter screen, filter screen bottom below through connection has the blow off pipe.

Furthermore, the heat exchange cavity is made of copper and is of a circular ring structure.

Further, the capillary material is copper, and the capillary is provided with many.

Furthermore, the liquid outlet is in through connection with a heat exchanger medium inlet of the heat exchanger, and the liquid inlet is in through connection with a heat exchanger medium outlet.

Furthermore, the bottom surface of the sewage discharge pipe is spirally connected with a blocking cover.

Furthermore, the surface of the inclined plate is densely provided with water permeable holes, and the outer edge of the inclined plate is in sliding butt joint with the inner wall of the liquid inlet end.

(III) advantageous effects

Compared with the prior art, the utility model provides the chemical centrifugal pump with the heat exchange cavity, which has the following beneficial effects:

(1) the utility model is characterized in that the heat exchange cavity is fixedly arranged on the outer wall of the water inlet end through the heat exchange cavity, the liquid inlet at the bottom is communicated with the heat exchange medium outlet of the heat exchanger, the liquid outlet at the top is communicated with the medium inlet of the heat exchanger, when the pump body works, the heat exchange medium is input into the heat exchange cavity through the liquid inlet by the heat exchanger, enters the capillary tube from bottom to top and flows back into the heat exchanger from the liquid outlet to finish the circular heat exchange, the inner wall of the heat exchange cavity is abutted against the outer wall of the liquid inlet end, the heat is transferred to the liquid inlet end through heat conduction, the liquid inlet end transfers the heat to the conveying liquid through heat conduction, simultaneously, the conveying liquid is contacted with the outer wall of the capillary tube when flowing, the heat exchange is finished in the same way through heat conduction, the contact area of the capillary tube and the conveying liquid is increased, the heat exchange efficiency is improved, meanwhile, the heat exchange cavity is arranged in front of the impeller bin, and the heat exchange is carried out on the conveying liquid before entering the impeller bin, damage to the impeller is reduced.

(2) The filter screen, the inclined plate, the mounting ring, the blow-off pipe and the magnet ring are adopted, the filter screen and the inclined plate are obliquely arranged, liquid is conveyed to pass through the filter screen to complete filtration, impurities are accumulated between the bottom of the filter screen and the inner bottom surface of a liquid inlet end, the phenomenon that the impurities enter a pump body impeller bin to influence an impeller is avoided, meanwhile, the impurities can be discharged by opening the blow-off pipe, the impurities can be conveniently cleaned, in addition, when the filter screen is damaged, a pipeline connected with the liquid inlet end of a pump body can be disassembled, the hook needle penetrates through a water permeable hole to hook the inclined plate, the inclined plate can be pulled out by the hook needle, a new inclined plate and the filter screen are directly placed into the liquid inlet end, the inclined plate is abutted to the magnet ring on the surface of one side of the mounting ring, the inclined plate can be sucked by the magnet ring, the replacement process is completed, compared with the replacement of the traditional filtering equipment, screws do not need to be disassembled, and the device is more convenient and rapid to replace.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required in the embodiments will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without creative efforts.

FIG. 1 is a schematic structural diagram of a chemical centrifugal pump with a heat exchange cavity according to the present invention;

fig. 2 is a schematic view of the installation of a heat exchange chamber proposed by the present invention;

FIG. 3 is an enlarged view of the node A of the chemical centrifugal pump with the heat exchange cavity;

fig. 4 is a schematic view of the external structure of the heat exchange chamber according to the present invention.

In the figure:

1. a pump body; 2. a liquid inlet end; 3. a heat exchange cavity; 4. a capillary tube; 5. a liquid outlet; 6. a liquid inlet; 7. a filter screen; 8. a sloping plate; 9. a mounting ring; 10. a blow-off pipe; 11. a magnet ring; 12. and (6) water permeable holes.

Detailed Description

For further explanation of the various embodiments, the drawings which form a part of the disclosure and which are incorporated in and constitute a part of this specification, illustrate embodiments and, together with the description, serve to explain the principles of operation of the embodiments, and to enable others of ordinary skill in the art to understand the various embodiments and advantages of the utility model, and, by reference to these figures, reference is made to the accompanying drawings, which are not to scale and wherein like reference numerals generally refer to like elements.

According to an embodiment of the utility model, a chemical centrifugal pump with a heat exchange chamber is provided.

The utility model will be further explained by combining the attached drawings and the detailed description, as shown in fig. 1-4, the chemical centrifugal pump with the heat exchange cavity according to the embodiment of the utility model comprises a pump body 1 and a liquid inlet end 2, wherein the liquid inlet end 2 is connected to one side surface of the pump body 1 in a through manner, the chemical centrifugal pump is a common structure in the field, the outer wall of the liquid inlet end 2 is fixedly sleeved with the heat exchange cavity 3, the inner wall of the heat exchange cavity 3 is connected with a capillary tube 4 in a through manner, the capillary tube 4 penetrates through the liquid inlet end 2 and is hermetically connected with the liquid inlet end 2, so as to avoid liquid leakage, the top surface of the heat exchange cavity 3 is connected with a liquid outlet 5 in a through manner, the bottom surface of the heat exchange cavity 3 is connected with a liquid inlet 6 in a through manner, wherein the liquid outlet 5 is connected with a heat exchanger medium inlet in a through manner, the liquid inlet 6 is connected with a heat exchanger medium outlet in a through manner, the heat exchanger is common equipment, not shown in the figures, the heat exchange cavity 3 is fixedly arranged on the outer wall of the water inlet end, the liquid inlet 6 is communicated with the heat exchanger medium outlet, 5 switch-on heat exchanger medium import of top liquid outlet, the pump body 1 is carrying out the during operation, the heat exchanger passes through inlet 6 with heat transfer medium and inputs heat transfer chamber 3, heat transfer medium is from supreme entering into capillary 4 down, and flow back to in the heat exchanger from liquid outlet 5, accomplish the circulation heat transfer, and 3 inner walls of heat transfer chamber and 2 outer wall butts of feed liquor end, give feed liquor end 2 with heat transfer through heat-conduction, feed liquor end 2 gives conveying liquid with heat transfer through heat-conduction, and simultaneously, conveying liquid contacts with 4 outer wall of capillary when flowing, heat exchange is accomplished through heat-conducting mode equally, capillary 4 has increased the area of contact with conveying liquid, heat exchange efficiency is improved, and simultaneously, heat transfer chamber 3 installs in impeller storehouse the place ahead, carry out the heat exchange to conveying liquid before conveying liquid enters into impeller storehouse, the harm to the impeller has been reduced.

In one embodiment, the interior of the liquid inlet 2 is provided with a mounting ring 9 in front of the capillary 4 in an inclined and fixed manner, and the outer surface of the mounting ring 9 is provided with a magnet ring 11 in a fixed manner, and the other side surface of the magnet ring 11 is adsorbed with an inclined plate 8, the inclined plate 8 is made of stainless steel, the other side surface of the inclined plate 8 is provided with a filter screen 7 in a fixed manner, a blow-off pipe 10 is connected with the lower part of the bottom of the filter screen 7 in a through manner, wherein the surface of the inclined plate 8 is densely provided with water permeable holes 12, the outer edge of the inclined plate 8 is in sliding butt joint with the inner wall of the liquid inlet 2, the filter screen 7 and the inclined plate 8 are arranged in an inclined manner, the liquid is filtered through the filter screen 7, impurities are accumulated between the bottom of the filter screen 7 and the inner bottom surface of the liquid inlet 2, the impurities are prevented from entering the impeller bin of the pump body 1 to influence the impeller, meanwhile, the impurities can be discharged by opening the blow-off pipe 10, the impurities are convenient to be cleaned, in addition, when the filter screen 7 is damaged, pipeline that the feed liquor end 2 of the detachable and pump body 1 is connected, use the crochet hook to pass and catch on the swash plate 8 and can draw the crochet hook outward and take out swash plate 8 through hole 12 that permeates water, then directly put into feed liquor end 2 inside with new swash plate 8 and filter screen 7, make the magnet ring 11 of 9 side surfaces of swash plate 8 butt collar ring, the swash plate 8 can be inhaled to magnet ring 11, accomplish the change process, change for traditional filtration equipment, the screw need not be dismantled to this device, change convenient and fast more.

In one embodiment, the heat exchange cavity 3 is made of copper, and the heat exchange cavity 3 is of a circular ring structure, so that the contact area is large, and the heat exchange efficiency is high.

In one embodiment, the capillary tube 4 is made of copper, and the capillary tube 4 is provided with a plurality of capillary tubes, so that the heat conduction efficiency is high, and the heat exchange efficiency is improved.

In one embodiment, the bottom surface of the sewage pipe 10 is spirally connected with a blocking cover, so that the sewage pipe 10 can be blocked conveniently, and liquid leakage can be avoided.

The working principle is as follows:

when the pump body 1 works, a heat exchange medium is input into the heat exchange cavity 3 through the liquid inlet 6 by the heat exchanger, the heat exchange medium enters the capillary tube 4 from bottom to top and flows out of the liquid outlet 5 to return into the heat exchanger, so that the circulating heat exchange is completed, the inner wall of the heat exchange cavity 3 is abutted against the outer wall of the liquid inlet end 2, the heat is transferred to the liquid inlet end 2 through heat conduction, the heat is transferred to the conveying liquid by the liquid inlet end 2 through heat conduction, meanwhile, the conveying liquid is contacted with the outer wall of the capillary tube 4 when flowing, the heat exchange is also completed in a heat conduction mode, the contact area between the capillary tube 4 and the conveying liquid is increased, the heat exchange efficiency is improved, meanwhile, the heat exchange cavity 3 is arranged in front of the impeller bin, the heat exchange is performed on the conveying liquid before the conveying liquid enters the impeller bin, the damage to the impeller is reduced, meanwhile, the filter screen 7 and the inclined plate 8 are obliquely arranged, and the conveying liquid is filtered through the filter screen 7, impurity piles up between 7 bottoms of filter screen and the 2 interior bottom surfaces of inlet port, avoid impurity to enter into the 1 impeller storehouse of the pump body and influence the impeller, the blow off pipe 10 impurity of discharging is opened to the accessible simultaneously, be convenient for clear up impurity, in addition, when filter screen 7 damages, the pipeline of the inlet port 2 of the dismountable and pump body 1 is connected, use the crochet hook to pass through the hole 12 that permeates water and catch on the swash plate 8 and can take out swash plate 8 by outer draw hook needle, then directly put into inlet port 2 inside with new swash plate 8 and filter screen 7, make the magnet ring 11 of the 9 side surfaces of swash plate 8 butt collar ring, the swash plate 8 can be absorbed to magnet ring 11, accomplish the change process, change for traditional filtration equipment, this device need not dismantle the screw, change convenient and fast more.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. Chemical industry centrifugal pump with heat exchange chamber, its characterized in that, including the pump body (1) and feed liquor end (2), a side surface through connection has feed liquor end (2) in the pump body (1), and feed liquor end (2) outer wall fixed cup joint has heat transfer chamber (3) to heat transfer chamber (3) inner wall through connection has capillary (4), capillary (4) run through feed liquor end (2) and with feed liquor end (2) sealing connection, heat transfer chamber (3) top surface through connection has liquid outlet (5), and heat transfer chamber (3) bottom surface through connection has inlet (6).

2. The chemical centrifugal pump with the heat exchange cavity as claimed in claim 1, wherein the liquid inlet end (2) is internally provided with a mounting ring (9) obliquely and fixedly arranged in front of the capillary tube (4), the outer side surface of the mounting ring (9) is fixedly provided with a magnet ring (11), the other side surface of the magnet ring (11) is adsorbed with an inclined plate (8), the other side surface of the inclined plate (8) is fixedly provided with a filter screen (7), and a drain pipe (10) is connected below the bottom of the filter screen (7) in a penetrating manner.

3. The chemical centrifugal pump with the heat exchange cavity as recited in claim 1, characterized in that the material of the heat exchange cavity (3) is copper, and the heat exchange cavity (3) is of a circular ring structure.

4. Chemical centrifugal pump with heat exchange chamber, according to claim 1, characterized in that the capillary (4) is made of copper, and the capillary (4) is provided with a plurality of tubes.

5. The chemical centrifugal pump with the heat exchange cavity as recited in claim 1, wherein the liquid outlet (5) is in through connection with a heat exchanger medium inlet of a heat exchanger, and the liquid inlet (6) is in through connection with a heat exchanger medium outlet.

6. The chemical centrifugal pump with the heat exchange cavity is characterized in that a plug cover is spirally connected to the bottom surface of the sewage discharge pipe (10).

7. The chemical centrifugal pump with the heat exchange cavity as recited in claim 2, characterized in that the surface of the inclined plate (8) is densely provided with water permeable holes (12), and the outer edge of the inclined plate (8) is in sliding contact with the inner wall of the liquid inlet end (2).