CN111795508B

CN111795508B - Solar energy heat collecting pipe cleaning device capable of efficiently improving solar energy utilization rate

Info

Publication number: CN111795508B
Application number: CN202010764339.4A
Authority: CN
Inventors: 王群
Original assignee: Datang Jilin Power Generation Co ltd Thermal Branch
Current assignee: Datang Jilin Power Generation Co ltd Thermal Branch
Priority date: 2020-08-02
Filing date: 2020-08-02
Publication date: 2021-10-26
Anticipated expiration: 2040-08-02
Also published as: CN111795508A

Abstract

The invention relates to the technical field of solar vacuum tubes, and particularly discloses a solar heat collecting tube cleaning device capable of efficiently improving the solar energy utilization rate. According to the solar heat collecting pipe cleaning device capable of efficiently improving the solar energy utilization rate, the first ejector pin and the second ejector pin are matched with each other, so that acetic acid or a cleaning agent can be injected into the surface layer and the deep scale layer in the vacuum pipe, the second ejector pin can ensure that the acetic acid enters the deep scale layer to react with the scale layer, the scale layer can be conveniently separated from the inner wall of the vacuum pipe, and the waste of the acetic acid or the cleaning fluid is avoided.

Description

Solar energy heat collecting pipe cleaning device capable of efficiently improving solar energy utilization rate

Technical Field

The invention relates to the technical field of solar vacuum tubes, in particular to a solar heat collecting tube cleaning device capable of efficiently improving the solar energy utilization rate.

Background

The vacuum heat collecting tube of the solar water heater is a core element of the solar water heater, is known as the heart of the solar water heater, after the solar heat collecting tube is used for a long time, a lot of water scales exist in the solar heat collecting tube, particularly in rural areas or areas with poor water quality, the heat collecting efficiency of the heat collecting tube is seriously influenced when the water scales are thick, meanwhile, the existence of the water scales also easily causes the generation of skin diseases of human bodies, and under the existing condition, a lot of problems often exist when the water scales of the heat collecting tube are removed.

Firstly, when the heat collecting pipe is cleaned of scale, the scale is often diluted by acetic acid or a special cleaning agent and then added into the heat collecting pipe, and the purpose of cleaning the scale is achieved through chemical reaction with the scale, however, the scale on the surface can only be cleaned through chemical reaction, and the deep scale attached to the inner wall of the heat collecting pipe cannot be fully reacted with the acetic acid and falls off, so that the cleaning effect is general; and the acetic acid or special cleaning agent needed for cleaning is more, and the waste is serious.

Disclosure of Invention

The invention aims to provide a solar heat collecting pipe cleaning device for efficiently improving the solar energy utilization rate and solve the problems of the existing solar vacuum pipe during cleaning.

The technical scheme adopted by the invention for solving the technical problems is as follows: high-efficient solar energy utilization rate's solar energy collection pipe cleaning device improves is including the washing subassembly of slip setting in solar energy vacuum tube.

The cleaning assembly comprises a mounting seat, a hollow hemispherical seat is mounted on one side of the mounting seat, first through holes are uniformly formed in the hemispherical surface of the hemispherical seat, and second through holes are formed in the circumferential direction of the side wall of the hemispherical seat.

The mounting base internally mounted has the mounting panel, the mounting panel inner wall is equipped with electric putter, electric putter with install the washing piece between the hemisphere seat.

The cleaning piece comprises a cleaning seat, an ejection seat matched with the hemispherical seat is arranged at one end of the cleaning seat, and a first ejector pin matched with the first through hole is arranged at one end, close to the hemispherical seat, of the ejection seat.

The inner wall of the half ball seat is provided with a telescopic spring matched with the second through hole, a second ejector pin is arranged in the telescopic spring, and one end of the second ejector pin is contacted with the cleaning seat.

As a preferred technical scheme of the present invention, the first thimble and the second thimble have the same structure, the first thimble includes an outer casing, an inner needle is connected to an end of the outer casing having a smaller inner diameter, and a cleaning hole is formed in a side wall of a top end of the inner needle.

According to a preferable technical scheme of the invention, a round hole is formed in the top end of the inner needle head, an adjusting column is connected in the round hole in a sliding manner, one end, extending out of the round hole, of the adjusting column is connected with a ball, the other end of the adjusting column is connected with a limiting plug, and an adjusting spring is sleeved on the outer wall of the adjusting column.

As a preferable technical scheme of the invention, a support rod is installed inside the inner needle head close to the cleaning hole, an adjusting needle corresponding to the cleaning hole is connected to the support rod in a sliding manner, one end of the adjusting needle is in contact with the limiting plug, and an adjusting spring is arranged between the adjusting needle and the support rod.

As a preferable technical solution of the present invention, a hose is disposed on an outer wall of the mounting plate, the hose penetrates through the mounting plate and the cleaning seat and extends to an inner wall of the ejection seat, and a branch pipe is branched from the inner wall of the ejection seat, and the branch pipe is connected to the first thimble and the second thimble.

As a preferable technical solution of the present invention, the branch tube penetrates through the inside of the outer needle housing and is communicated with the inner needle, and an ejector spring is sleeved on an outer wall of the branch tube located between the inner needle and the outer needle housing.

As a preferable technical solution of the present invention, the outer wall of the mounting seat is provided with two supporting members as a group, and the two groups of supporting members are distributed in a cross and opposite manner along the axial direction of the mounting seat.

As a preferred technical scheme of the invention, the supporting piece comprises a supporting cylinder fixed on the outer wall of the mounting seat, a telescopic cylinder is connected in the supporting cylinder in a sliding manner, a supporting spring is connected between the telescopic cylinder and the inner wall of the supporting cylinder, a universal wheel is installed at the other end of the telescopic cylinder, and the universal wheel is in contact with the inner wall of the vacuum tube.

Compared with the prior art, the technical scheme of the invention has the following advantages.

1. According to the solar heat collecting pipe cleaning device capable of efficiently improving the solar energy utilization rate, the first ejector pin and the second ejector pin are matched with each other, so that acetic acid or a cleaning agent can be injected into the surface layer and the deep scale layer in the vacuum pipe, the second ejector pin can ensure that the acetic acid enters the deep scale layer to react with the scale layer, the scale layer can be conveniently separated from the inner wall of the vacuum pipe, and the waste of the acetic acid or the cleaning fluid is avoided.

2. According to the solar heat collecting pipe cleaning device capable of efficiently improving the solar energy utilization rate, the adjusting needles are arranged at the tops of the first ejector pin and the second ejector pin, so that the situation that in the processes of acid injection and movement, scale does not block a liquid outlet of acetic acid or cleaning liquid, namely the position of a cleaning hole, can be avoided through the adjusting needles, and the normal discharge of the acetic acid or the cleaning liquid is guaranteed.

3. According to the solar heat collecting pipe cleaning device capable of efficiently improving the solar energy utilization rate, the hemispherical bottom of the vacuum pipe can be injected with acetic acid through the hemispherical arrangement of the hemispherical seat and the ejection seat, and the bottom of the vacuum pipe is convenient to clean.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is a schematic view of the internal structure of the present invention.

FIG. 3 is a schematic diagram of an internal structure of the first thimble according to the present invention.

Fig. 4 is a schematic view of the internal structure of the support member of the present invention.

FIG. 5 is a schematic view of the use of the cleaning assembly of the present invention within a vacuum tube.

Wherein: 1 vacuum tube, 2 cleaning components, 21 mounting seats, 22 supporting pieces, 221 supporting cylinders, 222 telescopic cylinders, 223 supporting springs, 224 universal wheels, 23 half ball seats, 24 first through holes, 25 second through holes, 26 mounting plates, 27 electric push rods, 28 cleaning pieces, 281 cleaning seats, 282 ejection seats, 283 first ejector pins, 284 telescopic springs, 285 second ejector pins, 286 hoses, 287 branch tubes, 29 outer needle shells, 291 inner needle heads, 292 ejection springs, 293 round holes, 294 adjusting columns, 295 balls, 296 limit plugs, 297 adjusting springs, 298 cleaning holes, 299 supporting rods and 2990 adjusting needles.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

Referring to fig. 1 to 5, the technical solution provided by the present invention is: the solar heat collecting pipe cleaning device capable of efficiently improving the solar energy utilization rate comprises a cleaning component 2 which is arranged in a solar vacuum pipe 1 in a sliding mode.

Referring to fig. 1, 2, 4 and 5, the movement of the cleaning assembly 2 within the vacuum tube 1; the outer wall of the mounting seat 21 is provided with two supporting pieces 22, the two supporting pieces 22 are in a group, and the two groups of supporting pieces 22 are distributed in a crossed and opposite manner along the axial direction of the mounting seat 21; the two supporting members 22 are in one group, the two groups of supporting members 22 are distributed in a crossed and opposite manner along the axial direction of the mounting seat 21, the opposite distribution means that the two supporting members 22 in one group of supporting members 22 are distributed in an opposite manner, and the two groups of supporting members 22 are distributed in a staggered manner in different planes on the mounting seat 21, as shown in the state shown in fig. 1, so that when the cleaning assembly 2 moves in the vacuum tube 1, four supporting points at different positions and in different directions are provided, and the stability of the movement of the cleaning assembly 2 in the vacuum tube 1 is ensured.

Referring to fig. 4, the supporting member 22 includes a supporting cylinder 221 fixed on the outer wall of the mounting base 21, a telescopic cylinder 222 is slidably connected in the supporting cylinder 221, a supporting spring 223 is connected between the telescopic cylinder 222 and the inner wall of the supporting cylinder 221, a universal wheel 224 is installed at the other end of the telescopic cylinder 222, and the universal wheel 224 contacts with the inner wall of the vacuum tube 1; during specific work, the supporting spring 223 can drive the universal wheel 224 at the top end of the telescopic cylinder 222 to fit the inner wall of the residual vacuum tube 1, so that the supporting piece 22 can adapt to the vacuum tubes 1 of different sizes, and the cleaning component 2 can move stably in the vacuum tube 1 through the supporting piece 22.

Referring to fig. 1 and 2, the first thimble 283 and the second thimble 285 have the exposed length adjusted, and the cleaning assembly 2 includes a mounting base 21, a hemisphere base 23 is installed on one side of the mounting base 21, first through holes 24 are uniformly formed on a hemisphere surface of the hemisphere base 23, and second through holes 25 are formed on a sidewall of the hemisphere base 23 in a circumferential direction.

An installation plate 26 is installed inside the installation seat 21, an electric push rod 27 is arranged on the inner wall of the installation plate 26, and a cleaning piece 28 is installed between the electric push rod 27 and the hemispherical seat 23; during specific work, the electric push rod 27 pushes the cleaning element 28 to move towards the hemispherical seat 23, and in the process, the first thimble 283 and the second thimble 285 are driven to be exposed from the first through hole 24 and the second through hole 25 respectively, so that the first thimble 283 and the second thimble 285 can be controlled to be exposed for a proper length according to actual needs.

The first thimble exposes: the cleaning element 28 comprises a cleaning seat 281, the cleaning seat 281 is in a circular truncated cone shape, wherein the diameter of one end close to the electric push rod 27 is larger than that of one end far away from the electric push rod 27, one end of the cleaning seat 281 is provided with an ejection seat 282 adapted to the half ball seat 23, and one end of the ejection seat 282 close to the half ball seat 23 is provided with a first ejector pin 283 adapted to the first through hole 24; in specific operation, when the electric push rod 27 operates, the cleaning seat 281 drives the ejection seat 282 to move towards the hemispherical seat 23, so that the first ejector pin 283 on the ejection seat 282 can be ejected out of the first through hole 24 and exposed to a proper length.

Exposure of second thimble 285: an extension spring 284 adapted to the second through hole 25 is arranged on the inner wall of the half ball seat 23, a second thimble 285 is arranged in the extension spring 284, and one end of the second thimble 285 is in contact with the cleaning seat 281; in a specific operation, since the cleaning seat 281 is in a circular truncated cone shape and one end of the second thimble 285 is attached to the cleaning seat 281, the second thimble 285 is driven to be exposed from the second through hole 25 when the cleaning seat 281 moves towards the hemispherical seat 23.

Referring to fig. 3, the first thimble 283 protects the inner wall of the vacuum tube 1: the first thimble 283 and the second thimble 285 have the same structure, the first thimble 283 comprises an outer needle shell 29, an inner needle 291 is connected to the end of the outer needle shell 29 with a smaller inner diameter, and a cleaning hole 298 is formed in the side wall of the top end of the inner needle 291.

Referring to fig. 3, a branch pipe 287 passes through the inside of the outer needle housing 29 and communicates with the inner needle 291, and an ejector spring 292 is sleeved on the outer wall of the branch pipe 287 between the inner needle 291 and the outer needle housing 29; at specific during operation, because the size of vacuum tube 1 is not fixed, set first thimble 283 into the telescopic structure, can protect the inner wall of vacuum tube 1, it pushes up vacuum tube 1 inner wall to avoid first thimble 283 to stretch out length when too much, the realization is to the inner wall protection of vacuum tube 1, in this embodiment, when first thimble 283 exposes too much, under ejection spring 292's effect, interior syringe needle 291 can contract in going into outer needle shell 29, interior syringe needle 291 still laminates with the inner wall of vacuum tube 1 mutually this moment, it can not contract to cause the damage to the too big power of propping of vacuum tube 1 inner wall to have avoided interior syringe needle 291.

Referring to fig. 2, the injection of acetic acid or cleaning solution: a hose 286 is arranged on the outer wall of the mounting plate 26, the other end of the hose 286 is communicated with a water pump, the water pump is placed in an acetic acid box or a cleaning solution, the hose 286 penetrates through the mounting plate 26 and the cleaning seat 281 and extends to the inner wall of the ejection seat 282, a branch pipe 287 is divided from the inner wall of the ejection seat 282, the branch pipe 287 is communicated with a cleaning hole 298, acetic acid enters the inner needle head 291 through the hose 286 and the branch pipe 287 and is sprayed out through the cleaning hole 298, and the branch pipe 287 is connected with the first thimble 283 and the second thimble 285; in operation, the branch pipe 287 is in communication with the inner needle 291 of the first thimble 283 and the inner needle 291 of the second thimble 285, and at this time, acetic acid or cleaning solution is pumped by the water pump, and the cleaning solution enters the hose 286 through the water pump, and flows into the branch pipe 287 from the other side of the hose 286, and finally flows out of the inner needle 291.

In the whole process, when acetic acid or cleaning liquid flows out of the inner needle 291 in the first thimble 283, chemical reaction treatment is carried out on scale on the surface; when acetic acid or washing liquid flow out in the interior syringe needle 291 of second thimble 285, because second syringe needle 285 at this moment is deep at the incrustation scale to realize that acetic acid or washing liquid can carry out chemical reaction with deep incrustation scale, decompose the incrustation scale from the incrustation scale is deep, ensured that the incrustation scale can break away from the inner wall of vacuum tube 1, realized the mesh that the washing effect is good to the incrustation scale.

Referring to fig. 3, the inner needle 291 is prevented from clogging: the top of interior syringe needle 291 is equipped with round hole 293, and sliding connection has regulation post 294 in round hole 293, and the one end that regulation post 294 stretches out round hole 293 is connected with ball 295, and the regulation post 294 other end is connected with spacing stopper 296, and the outer wall of adjusting post 294 has cup jointed adjusting spring 297.

A supporting rod 299 is arranged in the inner needle head 291 close to the cleaning hole 298, an adjusting needle 2990 matched with the cleaning hole 298 is connected on the supporting rod 299 in a sliding mode, one end of the adjusting needle 2990 is in contact with a limiting plug 296, and a return spring 4 is arranged between the adjusting needle 2990 and the supporting rod 299; during specific work, the adjusting needle 2990 is arranged at the cleaning hole 298 of the inner needle head 291, and the adjusting needle 2990 can repeatedly slide in the cleaning hole 298 under the action of the limiting plug 296 and the return spring 4, so that the cleaning hole 298 can be cleaned in the moving process, and the phenomenon that the cleaning hole 298 is blocked by scale due to the movement of the cleaning assembly 2 is avoided.

Wherein, the removal of spacing stopper 296 depends on the removal of adjusting post 294, and the ball 295 of adjusting on the post 294 is laminated mutually with the inner wall of vacuum tube 1 to because the incrustation scale height in the vacuum tube 1 differs, consequently at the in-process that removes, under the effect of adjusting spring 297, jolt appears in adjusting post 294, realized promptly at the in-process that removes, because the jolt of adjusting post 294 drives spacing stopper 296 and rocks, thereby drives and adjusts needle 2990 and remove repeatedly in washing hole 298.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make several improvements and modifications without departing from the technical principle of the present invention, and these improvements and modifications should also be considered as the protection scope of the present invention.

Claims

1. High-efficient solar energy collection pipe cleaning device who improves solar energy utilization ratio, its characterized in that: comprises a cleaning component (2) which is arranged in a solar vacuum tube in a sliding way;

the cleaning assembly (2) comprises a mounting seat (21), a semispherical seat (23) is mounted on one side of the mounting seat (21), first through holes (24) are uniformly formed in the semispherical surface of the semispherical seat (23), and second through holes (25) are formed in the circumferential direction of the side wall of the semispherical seat (23);

a mounting plate (26) is mounted inside the mounting seat (21), an electric push rod (27) is arranged on the inner wall of the mounting plate (26), and a cleaning piece (28) is mounted between the electric push rod (27) and the semi-ball seat (23);

the cleaning piece (28) comprises a cleaning seat (281), one end of the cleaning seat (281) is provided with an ejection seat (282) which is adaptive to the semi-ball seat (23), and one end, close to the semi-ball seat (23), of the ejection seat (282) is provided with a first ejector pin (283) which is adaptive to the first through hole (24);

the inner wall of the half ball seat (23) is provided with a telescopic spring (284) matched with the second through hole (25), a second thimble (285) is installed inside the telescopic spring (284), and one end of the second thimble (285) is in contact with the cleaning seat (281).

2. The solar collector tube cleaning apparatus with improved efficiency of solar energy utilization as claimed in claim 1, wherein: first thimble (283) with second thimble (285) structure is unanimous, first thimble (283) include outer needle shell (29), the less one end of outer needle shell (29) internal diameter is connected with interior syringe needle (291), the top lateral wall of interior syringe needle (291) is equipped with cleaning hole (298).

3. The solar collector tube cleaning apparatus with improved efficiency of solar energy utilization as claimed in claim 2, wherein: the top of interior syringe needle (291) is equipped with round hole (293), sliding connection has regulation post (294) in round hole (293), regulation post (294) stretch out the one end of round hole (293) is connected with ball (295), it is connected with spacing stopper (296) to adjust post (294) other end, the outer wall of adjusting post (294) cup joints regulation spring (297).

4. A solar collector tube cleaning apparatus with improved efficiency of solar energy utilization as claimed in claim 3, wherein: interior syringe needle (291) are close to internally mounted of washing hole (298) has bracing piece (299), sliding connection has on bracing piece (299) with regulation needle (2990) that washing hole (298) suited, the one end of adjusting needle (2990) with spacing stopper (296) contact, just adjust needle (2990) with be provided with adjusting spring between bracing piece (299).

5. The solar collector tube cleaning apparatus with improved efficiency of solar energy utilization as claimed in claim 2, wherein: the outer wall of the mounting plate (26) is provided with a hose (286), the hose (286) penetrates through the mounting plate (26) and the cleaning seat (281) and extends to the inner wall of the ejection seat (282), a branch pipe (287) is branched from the inner wall of the ejection seat (282), and the branch pipe (287) is connected with the first thimble (283) and the second thimble (285).

6. The solar collector tube cleaning apparatus with improved efficiency and solar energy utilization according to claim 5, wherein: the branch pipe (287) penetrates through the interior of the outer needle shell (29) and is communicated with the inner needle (291), and an ejection spring (292) is sleeved on the outer wall of the branch pipe (287) between the inner needle (291) and the outer needle shell (29).

7. The solar collector tube cleaning apparatus with improved efficiency of solar energy utilization as claimed in claim 1, wherein: the outer wall of mount pad (21) is equipped with support piece (22), support piece (22) are two as a set of, and two sets of support piece (22) are along mount pad (21) axial direction crossing opposite direction distribution.

8. The solar collector tube cleaning apparatus with improved efficiency of solar energy utilization as claimed in claim 7, wherein: the supporting piece (22) comprises a supporting cylinder (221) fixed on the outer wall of the mounting seat (21), a telescopic cylinder (222) is connected to the supporting cylinder (221) in a sliding mode, a supporting spring (223) is connected between the telescopic cylinder (222) and the inner wall of the supporting cylinder (221), a universal wheel (224) is installed at the other end of the telescopic cylinder (222), and the universal wheel (224) is in contact with the inner wall of the vacuum tube (1).