CN217536969U - Dam variable temperature atomizer - Google Patents
Dam variable temperature atomizer Download PDFInfo
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- CN217536969U CN217536969U CN202221465620.9U CN202221465620U CN217536969U CN 217536969 U CN217536969 U CN 217536969U CN 202221465620 U CN202221465620 U CN 202221465620U CN 217536969 U CN217536969 U CN 217536969U
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Abstract
A variable-temperature spraying device for a dam comprises a spraying machine and a water supply system, wherein the water supply system comprises a cooling water tank, a water storage tank and a spraying water tank which are sequentially connected, and filtering devices are arranged between the cooling water tank and the water storage tank and between the water storage tank and the spraying water tank and communicated in parallel; the upper end of cooling water tank is equipped with the inlet tube, and the water spray tank is equipped with outlet pipe and sprayer UNICOM, and the cooling water tank is equipped with the heat sink. Through cooling water tank cooling to carry out multistage filtration and storage to the water after the cooling, realize that storehouse face temperature falls the width of cloth by a wide margin, effective control storehouse face microenvironment ensures that concrete placement temperature control is controlled, reduces concrete highest temperature control pressure and temperature crack and produces the risk. Meanwhile, impurities in the water for spraying can be effectively intercepted, the blockage of a sprayer nozzle is reduced, the service life of the sprayer is prolonged, the content of solid particles in the sprayed water can be reduced, and the health and safety of cabin surface operators are facilitated.
Description
Technical Field
The utility model relates to a hydroelectric engineering dam concrete construction technical field especially relates to a dam variable temperature atomizer.
Background
The hydropower project concrete dam belongs to large-volume concrete, temperature cracks often appear in the large-volume concrete, especially, penetrating cracks have serious adverse effects on the safe and long-term operation of a junction project, the post-processing difficulty is very high, and in order to prevent the temperature cracks from appearing in the later stage of the dam in the large-volume concrete construction process, the concrete warehousing temperature and the pouring temperature are strictly controlled, so that the highest temperature of the concrete is controlled within the range of design requirements. The dam concrete warehousing temperature and pouring temperature important control means is that a sprayer is arranged on a warehouse surface for spraying and cooling, the existing sprayer directly sprays production water to the warehouse surface after directly atomizing the production water to cool, the mode is favorable for reducing the temperature of the warehouse surface to a certain extent, but the temperature of the production water is high in a high-temperature period, the reduction range of the temperature of the warehouse surface after spraying is small, the actual needs of a site are difficult to meet, the concrete pouring temperature often exceeds the standard, and the sprayer directly stops running when the supply of the production water is interrupted or a water pipe is damaged, so that the concrete pouring quality is directly influenced, more impurities are contained in the spraying water, the sprayer nozzle is easily blocked, the service life of the sprayer is influenced, and the content of solid particles in the spraying water is harmful to the health and safety of operation personnel on the warehouse surface.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the problem that exists among the above-mentioned background art is solved, a dam variable temperature sprayer that can cool water to solid particle in filtration water is provided.
In order to realize the technical characteristics, the purpose of the utility model is realized as follows: a variable-temperature spraying device for a dam comprises a spraying machine and a water supply system, wherein the water supply system comprises a cooling water tank, a water storage tank and a spraying water tank which are sequentially connected, and filtering devices are arranged between the cooling water tank and the water storage tank and between the water storage tank and the spraying water tank and communicated in parallel; the upper end of the cooling water tank is provided with a water inlet pipe, and the spraying water tank is provided with a water outlet pipe communicated with a spraying machine; the cooling water tank is provided with a cooling host.
The cooling host comprises a cooling host arranged on a cooling water tank and a heat exchanger arranged inside the cooling water tank, and the heat exchanger is connected with the cooling host.
The cooling water tank is communicated with the water storage tank through a first pipeline, and a first filtering basket is arranged at the outlet of the first pipeline in the cooling water tank; the water storage tank is communicated with the spray water tank through a second pipeline, and a second filtering basket is arranged at the outlet of the second pipeline in the water storage tank; and a third filter basket is arranged at the outlet of the water outlet pipe in the spray water tank.
The first pipeline is provided with a first valve, the second pipeline is provided with a second valve, the water outlet pipe is provided with a third valve, and the water inlet pipe is provided with a fourth valve.
The first valve, the second valve, the third valve and the fourth valve are electric control water valves.
The cooling water tank, the water storage tank, the spraying water tank and the water outlet pipe are provided with heat preservation layers.
Still include control system, control system is equipped with temperature sensor control temperature in cooling water tank, and sprayer, cooling host computer, first valve, second valve, third valve, fourth valve are connected with the control system electricity respectively.
The utility model discloses there is following beneficial effect:
1. through cooling water tank cooling to carry out multistage filtration and storage to the water after the cooling, under the condition that the water supply of production water was interrupted or the water pipe is damaged, through still satisfying the water requirement of spraying from taking the storage water tank, realize incessant operation in the short time, realize storehouse face temperature and fall the width of cloth by a wide margin, effective control storehouse face microenvironment ensures that concrete placement temperature control is controlled, reduces concrete highest temperature control pressure and temperature crack and produces the risk. Meanwhile, impurities in the water for spraying can be effectively intercepted, the blockage of a sprayer nozzle is reduced, the service life of the sprayer is prolonged, the content of solid particles in the sprayed water can be reduced, the health and safety of cabin surface operators are facilitated, and the production concept of green and environment protection is met.
2. The cooling host comprises a cooling host arranged on the cooling water tank and a heat exchanger arranged inside the cooling water tank, the heat exchanger is connected with the cooling host, the structure is simple, and the cooling effect is good.
3. A first filtering basket is arranged at the outlet of the first pipeline in the cooling water tank; a second filtering basket is arranged at the outlet of the second pipeline in the water storage tank; and a third filter basket is arranged at the outlet position of the water outlet pipe in the spraying water tank, so that the impurities in the water for spraying can be effectively intercepted through multi-stage filtration.
4. The first pipeline is provided with a first valve, the second pipeline is provided with a second valve, the water outlet pipe is provided with a third valve, and the water inlet pipe is provided with a fourth valve, so that the water level in each water tank can be controlled in a grading manner.
5. The cooling water tank, the water storage tank, the spraying water tank and the water outlet pipe are provided with heat preservation layers to preserve heat of the cooled water.
6. The spraying machine, the cooling host, the first valve, the second valve, the third valve and the fourth valve are respectively in electric connection with the control system, and automatic control according to programs is achieved.
Drawings
Fig. 1 is a schematic view of the structure of the present invention.
Fig. 2 is a schematic view of the three-dimensional structure of the present invention.
Fig. 3 is a perspective schematic view of the utility model.
In the figure: the device comprises a cooling water tank 10, a water inlet pipe 11, a fourth valve 12, a cooling host 13, a first pipeline 14, a first valve 15, a first filter basket 16, a heat exchanger 17, a water storage tank 20, a second pipeline 21, a second valve 22, a second filter basket 23, a spraying water tank 30, a water outlet pipe 31, a third valve 32, a third filter basket 33 and a spraying machine 40.
Detailed Description
The following describes embodiments of the present invention with reference to the accompanying drawings.
Referring to fig. 1-3, a variable-temperature spraying device for a dam comprises a spraying machine 40 and a water supply system, wherein the water supply system comprises a cooling water tank 10, a water storage tank 20 and a spraying water tank 30 which are sequentially connected, and filtering devices are arranged between the cooling water tank 10 and the water storage tank 20, and between the water storage tank 20 and the spraying water tank 30 and communicated in parallel; the upper end of cooling water tank 10 is equipped with inlet tube 11, and spraying water tank 30 is equipped with outlet pipe 31 and sprayer 40 UNICOM, and cooling water tank 10 is equipped with the cooling host computer. Through cooling water tank 10 cooling to carry out multistage filtration and storage to the water after the cooling, under the condition that the water supply of production is interrupted or the water pipe is damaged, through still satisfying the water requirement of spraying from taking the storage water tank, realize incessant operation in the short time, realize storehouse face temperature and reduce the width of a wide margin, effective control storehouse face microenvironment ensures that concrete placement temperature control is controlled, reduces concrete highest temperature control pressure and temperature crack and produces the risk. Meanwhile, impurities in the water for spraying can be effectively intercepted, the blockage of a sprayer nozzle of the sprayer is reduced, the service life of the sprayer 40 is prolonged, the content of solid particles in the sprayed water can be reduced, the health and safety of cabin surface operators are facilitated, and the production concept of green and environment protection is met.
In a preferred scheme, referring to fig. 3, the cooling main unit 13 includes a cooling main unit 13 mounted on the cooling water tank 10 and a heat exchanger 17 mounted inside the cooling water tank 10, and the heat exchanger 17 is connected to the cooling main unit 13. Simple structure and good cooling effect. The cooling main machine 13 can adopt an industrial air conditioner, the heat exchanger 17 is connected with a compressor pipeline of the cooling main machine 13, and water in the cooling water tank 10 is cooled through heat exchange of the heat exchanger 17 after refrigeration of the compressor.
In a preferred scheme, referring to fig. 1 and 2, the cooling water tank 10 is communicated with the water storage tank 20 through a first pipeline 14, and a first filtering basket 16 is installed in the cooling water tank 10 at the position of an outlet of the first pipeline 14; the water storage tank 20 is communicated with the spray water tank 30 through a second pipeline 21, and a second filter basket 23 is arranged at the outlet of the second pipeline 21 in the water storage tank 20; a third filter basket 33 is arranged at the outlet of the water outlet pipe 31 in the spray water tank 30. And the impurities in the water for spraying can be effectively intercepted by multi-stage filtration. The filter screen precision of the multi-stage filtration will gradually rise, in other words, water flowing into the next stage filter screen will filter out finer impurities in the water.
In a preferred embodiment, referring to fig. 1 and 2, the first pipe 14 is provided with a first valve 15, the second pipe 21 is provided with a second valve 22, the water outlet pipe 31 is provided with a third valve 32, and the water inlet pipe 11 is provided with a fourth valve 12. The water level in each water tank is convenient to control.
Further, the first valve 15, the second valve 22, the third valve 32 and the fourth valve 12 are electrically controlled water valves. And the automation control is convenient. The preferred electrically controlled water valve is a two-position two-way 2W series electromagnetic valve.
In a preferred scheme, the cooling water tank 10, the water storage tank 20, the spraying water tank 30 and the water outlet pipe 31 are provided with heat insulation layers. And (4) preserving the heat of the cooled water, and sticking heat preservation cotton on the outer side surfaces of the water tanks and the outer circumferential surface of the pipeline for preserving the heat.
In a preferable scheme, the system further comprises a control system, a temperature sensor is arranged in the cooling water tank 10 of the control system to control the water temperature, the spraying machine 40, the cooling host machine 13, the first valve 15, the second valve 22, the third valve 32 and the fourth valve 12 are respectively and electrically connected with the control system, automatic control according to a program is achieved, the temperature of spraying water is dynamically adjusted according to the change of the outside air temperature in a high-temperature period, the air temperature in the cabin surface can be effectively reduced, and the small environment of the cabin surface is guaranteed to be constant. The controller can select an integrated machine with model TL2G and 8-path PLC, and is simple to operate and convenient to use.
The utility model discloses a working process and principle:
1) In high-temperature seasons, reasonably determining the position of a spraying device and completing installation before opening the dam concrete;
2) Inverting and converting according to the ambient temperature outside the dam pouring bin and the temperature of the concrete outlet to calculate the ambient temperature in the bin required by the concrete pouring temperature meeting the design technical requirement;
3) Calculating the required spraying water quantity and the spraying water outlet temperature according to the ambient temperature in the bin;
4) Setting a control value of a cooling main machine 13 of the cooling water tank according to the temperature of the sprayed water;
5) After various preparation works are in place before concrete pouring and opening a warehouse, a fourth valve 12 of a water inlet pipe 11 is opened 2-3 hours in advance, production water is filtered and then supplied to a cooling water tank 10, a cooling host 13 starts a cooling mode to start cooling, when the temperature of the cooling water tank is reduced to a target value (7-18 ℃) of spraying water outlet temperature, a first valve 15 is automatically opened to filter the water again and send the water to a water storage tank 20 for later use, after the water storage tank 20 is filled with water, a second valve 22 is opened to filter cold water for the third time and send the cold water to a spraying water tank 30, after the spraying water tank 30 is filled with water, a third valve 32 is opened to filter the spraying water for the fourth time and send the spraying water to the spraying host 10 through a water outlet pipe 31, and after a water sucking device of the spraying host 40 receives the spraying water, the spraying water is automatically started to start a spraying machine to start a spraying cooling mode to reduce the environmental temperature of the warehouse;
6) If the sprayer supplies water or the water inlet pipe is damaged in the operation process, spray water inside the cooling water tank 10, the water storage tank 20 and the spray water tank 30 can maintain the spray cooling of the chamber surface in a short time, so that time is provided for maintenance and overhaul, and the efficient operation of the sprayer 40 is ensured.
Claims (7)
1. The utility model provides a dam variable temperature atomizer which characterized in that: the device comprises a spraying machine (40) and a water supply system, wherein the water supply system comprises a cooling water tank (10), a water storage tank (20) and a spraying water tank (30) which are sequentially connected; filtering devices are arranged between the cooling water tank (10) and the water storage tank (20) and between the water storage tank (20) and the spraying water tank (30) and communicated in parallel; the upper end of the cooling water tank (10) is provided with a water inlet pipe (11), and the spraying water tank (30) is provided with a water outlet pipe (31) communicated with a spraying machine (40); the cooling water tank (10) is provided with a cooling host.
2. A dam variable temperature spray apparatus as claimed in claim 1, wherein: the cooling host (13) comprises a cooling host (13) installed on the cooling water tank (10) and a heat exchanger (17) installed inside the cooling water tank (10), and the heat exchanger (17) is connected with the cooling host (13).
3. A dam variable temperature spray apparatus as claimed in claim 1, wherein: the cooling water tank (10) is communicated with the water storage tank (20) through a first pipeline (14), and a first filtering basket (16) is arranged in the cooling water tank (10) at the outlet of the first pipeline (14); the water storage tank (20) is communicated with the spraying water tank (30) through a second pipeline (21), and a second filtering basket (23) is arranged at the outlet of the second pipeline (21) in the water storage tank (20); and a third filtering basket (33) is arranged at the outlet of the water outlet pipe (31) in the spraying water tank (30).
4. A dam variable temperature spray apparatus as claimed in claim 3, wherein: the water inlet pipe is characterized in that the first pipeline (14) is provided with a first valve (15), the second pipeline (21) is provided with a second valve (22), the water outlet pipe (31) is provided with a third valve (32), and the water inlet pipe (11) is provided with a fourth valve (12).
5. A dam variable temperature spraying apparatus according to claim 4, wherein: the first valve (15), the second valve (22), the third valve (32) and the fourth valve (12) are electric control water valves.
6. A dam variable temperature spray apparatus as claimed in claim 1, wherein: the cooling water tank (10), the water storage tank (20), the spraying water tank (30) and the water outlet pipe (31) are provided with heat insulation layers.
7. A dam variable temperature spray apparatus as claimed in claim 1, wherein: still include control system, control system is equipped with temperature sensor control water temperature in cooling water tank (10), and sprayer (40), cooling host computer (13), first valve (15), second valve (22), third valve (32), fourth valve (12) are connected with the control system electricity respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221465620.9U CN217536969U (en) | 2022-06-13 | 2022-06-13 | Dam variable temperature atomizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221465620.9U CN217536969U (en) | 2022-06-13 | 2022-06-13 | Dam variable temperature atomizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217536969U true CN217536969U (en) | 2022-10-04 |
Family
ID=83443252
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221465620.9U Active CN217536969U (en) | 2022-06-13 | 2022-06-13 | Dam variable temperature atomizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217536969U (en) |
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2022
- 2022-06-13 CN CN202221465620.9U patent/CN217536969U/en active Active
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