Hydrogen-making alkaline water cooling tower
Technical Field
The invention relates to the technical field of cooling towers, in particular to a hydrogen production alkaline water cooling tower.
Background
In the field of hydrogen production, hydrogen is generally generated by electrolyzing alkaline water, the alkaline water is electrolyzed in an electrolytic tank, the temperature of the alkaline water is increased in the electrolysis process, and the proper temperature for electrolysis is generally seventy to eighty degrees centigrade, so that the alkaline water is required to be cooled in the electrolysis process, a cooling tower is generally adopted to cool down in the water cooling mode at present, the cooling tower is positioned outdoors, a roof is generally arranged on the upper side of the cooling tower for preventing the temperature increase of cooling water in the cooling tower due to insolation of sunlight, but the roof also ensures that rainwater cannot enter the cooling tower, on one hand, the rainwater can supplement the cooling water in the cooling tower, and on the other hand, the rainwater temperature is lower, so that the temperature of the cooling water can be reduced, and the cooling efficiency is improved.
Disclosure of Invention
The invention provides a hydrogen production alkaline water cooling tower, which aims to solve the defect that the existing cooling tower is provided with a roof and rainwater cannot enter the cooling tower.
In order to achieve the above purpose, the invention adopts the following technical scheme:
The utility model provides a hydrogen manufacturing alkaline water cooling tower, which comprises a barrel, fixed connection is at the lower roof of the upside of barrel, the upside of lower roof is provided with the roof, it all extends along the level to go up roof and lower roof, be provided with a plurality of first water pipes between roof and the lower roof, the upper end of first water pipe is the water inlet, the lower extreme of first water pipe is the water outlet, water inlet and water outlet stagger in vertical direction, it is provided with the water inlet in the position of water inlet to go up the roof, the position of lower roof is provided with first delivery port in water outlet, the lower part of barrel is provided with the cooling water, be provided with first pump in the cooling water, the upper portion of barrel is provided with the second water pipe, second water piping connection has the shower nozzle, second water pipe and first pump connection, the downside of shower nozzle is provided with the cooling tube, the cooling tube passes through the second pump and is connected with the electrolytic tank.
Through the arrangement, rainwater can enter the barrel. Specifically, the alkaline water in the electrolytic tank enters the cooling pipe under the action of the second pump, and part of heat of the alkaline water is transferred to the cooling pipe, so that the temperature of the alkaline water is reduced, and the alkaline water with reduced temperature returns to the electrolytic tank to continue to participate in electrolysis. Under the effect of the first pump, the cooling water at the lower part of the cylinder is conveyed to the spray head through the second water pipe, the spray head outputs cooling water, the cooling water passes through the cooling pipe from top to bottom and returns to the lower part of the cylinder, and the cooling water absorbs the temperature on the cooling pipe and reduces the temperature of the cooling pipe, so that the cooling pipe can continuously and well absorb the heat of alkaline water. In addition, in the process of the cooling water moving from top to bottom, the cooling water can be fully contacted with air and can emit heat into the air, so that the temperature of the cooling water is reduced, and the cooling efficiency can be improved. When raining, after the rainwater falls to the upper top plate, the rainwater enters the barrel through the water inlet, the first water pipe and the first water outlet, and the rainwater moves from top to bottom and passes through the cooling pipe, so that the rainwater absorbs the temperature of the cooling pipe and reduces the temperature of the cooling pipe, the temperature of the rainwater is lower, the temperature of cooling water in the barrel can be reduced, and in addition, the cooling water in the barrel can be supplemented. When the water inlet end and the water outlet end are staggered in the vertical direction, sunlight can be prevented from entering the cylinder body, and therefore the temperature of cooling water is prevented from rising due to the sunlight irradiation.
As an implementation, the side of the cylinder is provided with a plurality of ventilation holes.
Through the arrangement, the air flow in the cylinder body can be increased, and the heat in the cylinder body can be radiated to the atmosphere.
As one implementation mode, the number of the cooling pipes is more than two, the cooling pipes are parallel to each other, an upper main pipe and a lower main pipe which are parallel to each other are arranged in the cylinder, the upper end of the cooling pipe is fixedly connected with the upper main pipe, the lower end of the cooling pipe is fixedly connected with the lower main pipe, the upper main pipe is connected with a water outlet pipe, the water outlet pipe penetrates through the wall of the cylinder and is connected with the electrolytic tank, the lower main pipe is connected with a water inlet pipe, the water inlet pipe penetrates through the wall of the cylinder and is connected with the electrolytic tank, and the second pump is arranged on the water inlet pipe.
By the arrangement, the cooling efficiency is further improved. Specifically, the lower extreme of cooling tube passes through the lower header pipe, inlet tube, second pump and electrolytic tank connection, and the upper end of cooling tube passes through upper header pipe, outlet pipe and electrolytic tank connection. Under the action of the second pump, the alkaline water enters the cooling pipes through the water inlet pipe and the lower main pipe, and the heat dissipation area of the alkaline water is increased due to the large number of the cooling pipes, so that the heat dissipation of the alkaline water is faster, the surface area of the cooling pipes is increased, and the heat exchange efficiency between the cooling water and the cooling pipes is higher.
As one implementation mode, the upper main pipe is arranged on one side of the barrel away from the electrolytic tank, the lower main pipe is arranged on one side of the barrel close to the electrolytic tank, and the cooling pipe is inclined.
With the above arrangement, the cooling efficiency is further increased. In rainy days, natural wind is relatively large, and passes through the cylinder body through the ventilation holes, and in the process, the natural wind passes through the cooling pipe and cools the cooling pipe. When the cooling tube slope sets up, the length of cooling tube in the barrel is great, and heat exchange efficiency increases, and in addition, the windward area of cooling tube is big, utilizes natural wind cooling effect good, and in addition, the area of cooling tube's cooling water that receives is big, and the effect of utilizing the cooling water cooling is good.
As an implementation manner, the first water pipe comprises a first section connected with the upper top plate, a second section connected with the lower top plate, and an intermediate section positioned between the first section and the second section, wherein the first section is vertical to the upper top plate, the second section is vertical to the lower top plate, the first section is fixedly connected with the second section through the intermediate section, the intermediate section is gradually inclined upwards from the second section to the first section, the water inlet is positioned at the upper end of the first section, and the first water outlet is positioned at the lower end of the second section.
Through the arrangement, rainwater on the upper side of the upper top plate enters the cylinder body through the water inlet, the first section, the middle section, the second section and the first water outlet.
As an implementation mode, an upper rotating pipe and a lower rotating pipe which are parallel to each other are arranged in the cylinder, the upper rotating pipe is parallel to the upper main pipe, the upper rotating pipe is arranged on one side of the upper main pipe, which is close to the electrolytic tank, the upper rotating pipe is fixedly connected with the upper main pipe through a first connecting pipe, the lower rotating pipe is arranged on one side of the lower main pipe, which is far away from the electrolytic tank, the lower rotating pipe is connected with the lower main pipe through a second connecting pipe, the lower rotating pipe is arranged under the upper rotating pipe, the upper side of the middle part of the upper rotating pipe is fixedly connected with an upper positioning pipe which extends vertically, the upper positioning pipe sleeve is provided with an upper supporting pipe, the upper supporting pipe is rotationally connected with the upper positioning pipe, the upper positioning pipe sleeve is provided with a water guide pipe, one side of the water guide pipe is provided with a first connecting port, the water outlet pipe is connected with the first connecting port, a plurality of second water outlets are arranged along the circumference of the upper positioning tube, the first connecting port is matched with at least one second water outlet, the lower side of the upper top plate is rotationally connected with a first rotating shaft which extends along the vertical direction, the upper end of the upper positioning tube is fixedly connected with a second rotating shaft which extends along the vertical direction, the second rotating shaft penetrates through the lower top plate and is rotationally connected with the lower top plate, the upper end of the second rotating shaft is fixedly connected with the lower end of the first rotating shaft through a transmission shaft, the transmission shaft is parallel to the middle section, the lower side of the middle part of the lower rotating tube is fixedly connected with a lower positioning tube which extends along the vertical direction, a lower supporting tube is arranged on the lower positioning tube sleeve and is rotationally connected with the lower supporting tube, the lower supporting tube is fixedly connected with a cylinder body through a second bracket, the lower end of the lower positioning tube is rotationally connected and communicated with one end of the water inlet tube which is far away from the electrolytic tank, the upper end of the first section is gradually inclined upwards from the second section to the first section, the lower end of the second section is rotationally connected with the lower top plate, the edge of the upper top plate is provided with a wind shield extending upwards, and an open upward water storage groove is formed between the wind shield and the upper top plate.
Through the arrangement, the direction of the cooling pipe is automatically adjusted along with the direction of natural wind, so that the wind receiving surface of the cooling pipe is always larger, and the air cooling effect is further ensured. Specifically, when the wind power of natural wind is great and moves to the right, natural wind moves to the right and promotes the deep bead to move to the right (other directions are the same), at this moment, the second pivot rotates around the axis of second pivot, the second segmentation rotates around the axis of second segmentation, the right-hand member of intermediate section upwards inclines, the right-hand member of transmission shaft upwards inclines, the second pivot drives locating tube, upward rotating tube, first connecting tube, upper manifold, cooling tube, lower manifold, second connecting tube, lower rotating tube, lower locating tube rotate, finally make the right-hand member downward sloping of cooling tube, the windward side of cooling tube is great at this moment, and the shower nozzle evenly arranges in the upper portion of barrel with the matrix mode, thereby make the rotation of cooling tube not influence the area of cooling tube's chilled water.
In addition, the flow path of the alkaline water is that the alkaline water flows from the electrolytic tank through the water inlet pipe, the lower positioning pipe, the lower rotating pipe, the second connecting pipe, the lower main pipe, the cooling pipe, the upper main pipe, the first connecting pipe, the upper rotating pipe, the upper positioning pipe and the water outlet pipe under the action of the second pump and then returns to the electrolytic tank. Namely, the lower end of the cooling pipe is connected with the electrolytic tank through the lower main pipe, the second connecting pipe, the lower rotating pipe, the lower positioning pipe, the water inlet pipe, the second pump and the electrolytic tank, and the upper end of the cooling pipe is connected with the electrolytic tank through the upper main pipe, the first connecting pipe, the upper rotating pipe, the upper positioning pipe, the water outlet pipe and the electrolytic tank.
When the second water outlet is arranged along the circumferential direction of the upper positioning pipe, the water outlet pipe can be communicated with the upper positioning pipe all the time through the first connecting port, the second water outlet and the upper positioning pipe in the rotating process of the upper positioning pipe. The lower end of the lower positioning tube is dynamically sealed with the water inlet tube, so that when the lower positioning tube rotates, the lower positioning tube is always communicated with the water inlet tube, and alkaline water cannot leak. In addition, the wind-receiving surface is increased by the action of the wind shield, so that the upper top plate is driven to move by natural wind energy, and on the other hand, a water storage groove is formed on the upper side of the upper top plate by the arrangement of the wind shield, so that a large amount of rainwater on the upper side of the upper top plate can enter the cylinder body, and the cooling effect of the wind shield is improved.
As an implementation mode, the outer side of the upper positioning tube is fixedly connected with an annular protrusion, the inner side of the upper supporting tube is provided with an annular groove matched with the annular protrusion, and the annular protrusion is positioned in the annular groove and is rotationally connected with the annular groove.
Through above-mentioned setting for go up rotation pipe, first connecting pipe, upper header pipe, cooling tube, lower header pipe, second connecting pipe, lower rotation pipe are better at pivoted in-process stability.
As an implementation mode, the barrel is fixedly connected with is provided with the stabilizer plate along the horizontal extension in the stabilizer plate, is provided with the cavity in the stabilizer plate, and the second pivot passes the stabilizer plate and rotates with the stabilizer plate to be connected, and the shower nozzle sets up the downside at the stabilizer plate, and the shower nozzle passes through cavity and second water piping connection.
Through above-mentioned setting, make things convenient for the shower nozzle to install the downside at the stabilizer plate with the mode of matrix, the rotation that the stabilizer plate also can make the second pivot is more stable, in addition, under the effect of first pump, the cooling water of the lower part of barrel exports from the shower nozzle after second pipe, cavity.
As one implementation, the cylinder is provided with a water injection pipe provided with a float valve.
Through the arrangement, the cooling water in the cylinder body can be supplemented in time. Specifically, the water injection pipe is connected with the water network, when the water level of the cooling water in the barrel body is reduced to a certain degree, the ball float valve is opened, the water injection pipe outputs the cooling water and enables the water level of the cooling water in the barrel body to rise, the ball float valve is automatically closed and stops injecting water after the water level of the cooling water rises to a certain degree, the ball float valve is in the prior art, the ball float valve is not unfolded, and the corresponding design of a toilet can be referred to specifically.
Drawings
Fig. 1is a schematic diagram of an embodiment.
Fig. 2 is an enlarged view at B of fig. 1.
Fig. 3 is an enlarged view at C of fig. 1.
Fig. 4 is a cross-sectional view A-A of fig. 1.
Detailed Description
The technical scheme of the invention is further specifically described below through examples and with reference to the accompanying drawings.
Referring to fig. 1 to 4, a cooling tower for producing hydrogen and alkaline water comprises a cylinder 11 and a lower top plate 12 fixedly connected to the upper side of the cylinder 11, wherein an upper top plate 13 is arranged on the upper side of the lower top plate 12, the upper top plate 13 and the lower top plate 12 extend horizontally, a plurality of first water pipes 14 are arranged between the upper top plate 13 and the lower top plate 12, the upper ends of the first water pipes 14 are water inlet ends 141, the lower ends of the first water pipes 14 are water outlet ends 142, the water inlet ends 141 and the water outlet ends 142 are staggered in the vertical direction, a water inlet 131 is arranged on the upper top plate 13 at the position of the water inlet ends 141, a first water outlet 121 is arranged on the lower top plate 12 at the position of the water outlet ends 142, cooling water is arranged on the lower part of the cylinder 11, a first pump 111 is arranged in the cooling water, a second water pipe 112 is arranged on the upper part of the cylinder 11, a spray head 113 is connected with the second water pipe 112, the second water pipe 112 is connected with the first pump 111, the lower side of the spray head 113 is provided with a cooling pipe 15, and the cooling pipe 15 is connected with an electrolytic tank 17 through the second pump 16.
With the above arrangement, rainwater can be caused to enter the cylinder 11. Specifically, the alkaline water in the electrolytic tank 17 enters the cooling pipe 15 under the action of the second pump 16, and part of the heat of the alkaline water is transferred to the cooling pipe 15, so that the temperature of the alkaline water is reduced, and the alkaline water with reduced temperature returns to the electrolytic tank 17 to continue to participate in electrolysis. Under the action of the first pump 111, the cooling water at the lower part of the cylinder 11 is conveyed to the spray head 113 through the second water pipe 112, the spray head 113 outputs the cooling water, the cooling water passes through the cooling pipe 15 from top to bottom and returns to the lower part of the cylinder 11, the cooling water absorbs the temperature on the cooling pipe 15 and reduces the temperature of the cooling pipe 15, and therefore the cooling pipe 15 can continuously absorb the heat of alkaline water well. In addition, in the process of the cooling water moving from top to bottom, the cooling water can be fully contacted with air and can emit heat into the air, so that the temperature of the cooling water is reduced, and the cooling efficiency can be improved. When raining, after the rainwater falls to the upper top plate 13, the rainwater enters the cylinder 11 through the water inlet 131, the first water pipe 14 and the first water outlet 121, and moves from top to bottom and passes through the cooling pipe 15, so that the rainwater absorbs the temperature of the cooling pipe 15 and reduces the temperature of the cooling pipe 15, the temperature of the rainwater is lower, the temperature of cooling water in the cylinder 11 can be reduced, and in addition, the cooling water in the cylinder 11 can be supplemented. When the water inlet end 141 and the water outlet end 142 are staggered in the vertical direction, sunlight is prevented from entering the cylinder 11, thereby preventing the cooling water from being increased in temperature due to the sunlight.
As an implementation, the side of the cylinder 11 is provided with a number of ventilation holes 114.
Through the arrangement, the air flow in the cylinder 11 can be increased, and the heat in the cylinder 11 can be radiated to the atmosphere.
As one implementation, the number of the cooling pipes 15 is more than two, the cooling pipes 15 are parallel to each other, an upper manifold 115 and a lower manifold 116 which are parallel to each other are arranged in the cylinder 11, the upper end of the cooling pipe 15 is fixedly connected with the upper manifold 115, the lower end of the cooling pipe 15 is fixedly connected with the lower manifold 116, the upper manifold 115 is connected with a water outlet pipe 1151, the water outlet pipe 1151 penetrates through the wall of the cylinder 11 and is connected with the electrolytic tank 17, the lower manifold 116 is connected with a water inlet pipe 1161, the water inlet pipe 1161 penetrates through the wall of the cylinder 11 and is connected with the electrolytic tank 17, and the second pump 16 is arranged on the water inlet pipe 1161.
By the arrangement, the cooling efficiency is further improved. Specifically, the lower end of the cooling pipe 15 is connected to the electrolytic tank 17 through the lower manifold 116, the water inlet pipe 1161, the second pump 16, and the upper end of the cooling pipe 15 is connected to the electrolytic tank 17 through the upper manifold 115, the water outlet pipe 1151. Under the action of the second pump 16, the alkaline water enters the cooling pipes 15 through the water inlet pipe 1161 and the lower header 116, and the heat dissipation area of the alkaline water is increased due to the large number of the cooling pipes 15, so that the heat dissipation of the alkaline water is faster, the surface area of the cooling pipes 15 is increased, and the heat exchange efficiency between the cooling water and the cooling pipes 15 is higher.
As one implementation, the upper manifold 115 is disposed on a side of the bowl 11 away from the electrolytic tank 17, and the lower manifold 116 is disposed on a side of the bowl 11 near the electrolytic tank 17, with the cooling tube 15 being inclined.
With the above arrangement, the cooling efficiency is further increased. In rainy days, natural wind is relatively large, and referring to fig. 1, natural wind passes through the drum 11 through the ventilation holes 114, and in this process, natural wind passes through the cooling pipe 15 and cools the cooling pipe 15. When the cooling pipe 15 is arranged obliquely, the length of the cooling pipe 15 in the cylinder 11 is large, the heat exchange efficiency is increased, in addition, the windward area of the cooling pipe 15 is large, the cooling effect by natural wind is good, in addition, the area of the cooling pipe 15 by cooling water is large, and the cooling effect by cooling water is good.
As one implementation, the first water pipe 14 includes a first section 143 connected to the upper top plate 13, a second section 144 connected to the lower top plate 12, a middle section 145 between the first section 143 and the second section 144, the first section 143 being perpendicular to the upper top plate 13, the second section 144 being perpendicular to the lower top plate 12, the first section 143 being fixedly connected to the first section 143 through the middle section 145 and the second section 144, the middle section 145 being gradually inclined upward from the second section 144 to the first section 143, the water inlet 131 being located at an upper end of the first section 143, and the first water outlet 121 being located at a lower end of the second section 144.
With the above arrangement, rainwater on the upper side of the upper top plate 13 enters the cylinder 11 through the water inlet 131, the first section 143, the middle section 145, the second section 144, and the first water outlet 121.
As one implementation, an upper rotating tube 1152 and a lower rotating tube 1162 are arranged in the cylinder 11 and are parallel to each other, the upper rotating tube 1152 is parallel to the upper main tube 115, the upper rotating tube 1152 is arranged on one side of the upper main tube 115 close to the electrolytic tank 17, the upper rotating tube 1152 is fixedly connected with the upper main tube 115 through a first connecting tube 1153, the lower rotating tube 1162 is arranged on one side of the lower main tube 116 far away from the electrolytic tank 17, the lower rotating tube 1162 is connected with the lower main tube 116 through a second connecting tube 1163, the lower rotating tube 1162 is arranged under the upper rotating tube 1152, an upper positioning tube 1154 extending vertically is fixedly connected on the upper side of the middle part of the upper rotating tube 1152, an upper supporting tube 1155 is sleeved on the upper positioning tube 1154, the upper supporting tube 1155 is rotatably connected with the upper positioning tube 1154 through a first bracket 1156, the upper positioning tube 1154 is sleeved with a water guide tube 1157, the water guide tube 1157 is rotatably connected with the upper positioning tube 1154, one side of the water guide tube 1157 is provided with a first connecting port 11571, the water outlet tube 1151 is connected with the first connecting port 11571, a plurality of second water outlets 11541 are arranged along the circumferential direction of the upper positioning tube 1154, the first connecting port 11571 is matched with at least one second water outlet 11541, the lower side of the upper top plate 13 is rotationally connected with a first rotating shaft 132 which extends vertically, the upper end of the upper positioning tube 1154 is fixedly connected with a second rotating shaft 11542 which extends vertically, the second rotating shaft 11542 penetrates through the lower top plate 12 and is rotationally connected with the lower top plate 12, the upper end of the second rotating shaft 11542 is fixedly connected with the lower end of the first rotating shaft 132 through a transmission shaft 11543, the transmission shaft 11543 is parallel to the middle section 145, the lower side of the middle part of the lower rotating tube 1162 is fixedly connected with a lower positioning tube 1164 which extends vertically, the lower positioning tube 1164 is sleeved with a lower supporting tube 1165, the lower supporting tube 1165 is rotationally connected with the lower positioning tube 1164, the lower supporting tube 1165 is fixedly connected with the cylinder body 11 through a second bracket 1166, the lower end of the lower positioning pipe 1164 is rotatably connected and communicated with one end of the water inlet pipe 1161 far away from the electrolytic tank 17, the middle section 145 gradually inclines upwards from the second section 144 to the first section 143, the upper end of the first section 143 is rotatably connected with the upper top plate 13, the lower end of the second section 144 is rotatably connected with the lower top plate 12, the edge of the upper top plate 13 is provided with an upwards extending wind shield 133, and an upwards opening water storage groove 134 is formed between the wind shield 133 and the upper top plate 13.
Through the arrangement, the direction of the cooling pipe 15 is automatically adjusted along with the direction of natural wind, so that the wind receiving surface of the cooling pipe 15 is always larger, and the air cooling effect is further ensured. Specifically, when the force of the natural wind is large and moves rightward, referring to fig. 1, the natural wind moves rightward and pushes the wind shield 133 to move rightward (the same applies to other directions), at this time, the second rotating shaft 11542 rotates about the axis of the second rotating shaft 11542, the second segment 144 rotates about the axis of the second segment 144, the right end of the middle segment 145 tilts upward, the right end of the transmission shaft 11543 tilts upward, the second rotating shaft 11542 drives the upper positioning tube 1154, the upper rotating tube 1152, the first connecting tube 1153, the upper manifold 115, the cooling tube 15, the lower manifold 116, the second connecting tube 1163, the lower rotating tube 1162, and the lower positioning tube 1164 to finally tilt downward, at this time, the wind receiving surface of the cooling tube 15 is large, and the spray heads 113 are uniformly arranged at the upper portion of the drum 11 in a matrix manner, so that the rotation of the cooling tube 15 does not affect the area of the cooled water of the cooling tube 15.
The flow path of the alkaline water is such that the alkaline water flows from the electrolytic tank 17, through the water inlet pipe 1161, the lower positioning pipe 1164, the lower rotating pipe 1162, the second connecting pipe 1163, the lower manifold 116, the cooling pipe 15, the upper manifold 115, the first connecting pipe 1153, the upper rotating pipe 1152, the upper positioning pipe 1154, and the water outlet pipe 1151 by the second pump 16, and then returns to the electrolytic tank 17. That is, the lower end of the cooling pipe 15 is connected to the electrolytic tank 17 through the lower manifold 116, the second connection pipe 1163, the lower rotation pipe 1162, the lower positioning pipe 1164, the water inlet pipe 1161, the second pump 16, and the upper end of the cooling pipe 15 is connected to the electrolytic tank 17 through the upper manifold 115, the first connection pipe 1153, the upper rotation pipe 1152, the upper positioning pipe 1154, the water outlet pipe 1151, and the electrolytic tank 17.
When the second water outlet 11541 is disposed along the circumferential direction of the upper positioning tube 1154, the water outlet tube 1151 may always communicate with the upper positioning tube 1154 through the first connection port 11571, the second water outlet 11541, and the upper positioning tube 1154 during rotation of the upper positioning tube 1154. The lower end of the lower positioning tube 1164 is dynamically sealed with the water inlet tube 1161, so that when the lower positioning tube 1164 rotates, the lower positioning tube 1164 is always communicated with the water inlet tube 1161, and alkaline water cannot leak. In addition, the wind shield 133 increases the wind receiving surface on one hand, so that the upper top plate 13 is driven to move by natural wind energy, and on the other hand, the wind shield 133 is arranged to form a water storage groove 134 on the upper side of the upper top plate 13, so that rainwater on the upper side of the upper top plate 13 can enter the barrel 11 in a large amount, and the cooling effect of the application is improved.
As an implementation manner, the outer side of the upper positioning tube 1154 is fixedly connected with an annular protrusion 11544, the inner side of the upper supporting tube 1155 is provided with an annular groove 11551 matched with the annular protrusion 11544, and the annular protrusion 11544 is located in the annular groove 11551 and is rotationally connected with the annular groove 11551.
Through the arrangement, the upper rotating pipe 1152, the first connecting pipe 1153, the upper main pipe 115, the cooling pipe 15, the lower main pipe 116, the second connecting pipe 1163 and the lower rotating pipe 1162 have better stability in the rotating process.
As an implementation manner, a stabilizing plate 117 extending along a horizontal direction is fixedly connected in the cylinder 11, a cavity 1171 is arranged in the stabilizing plate 117, the second rotating shaft 11542 penetrates through the stabilizing plate 117 and is rotationally connected with the stabilizing plate 117, the spray head 113 is arranged on the lower side of the stabilizing plate 117, and the spray head 113 is connected with the second water pipe 112 through the cavity 1171.
Through the above arrangement, the spray nozzles 113 are conveniently installed on the lower side of the stabilizing plate 117 in a matrix manner, and the stabilizing plate can also enable the rotation of the second rotating shaft 11542 to be more stable, and in addition, under the action of the first pump 111, the cooling water at the lower part of the cylinder 11 is output from the spray nozzles 113 after passing through the second pipe and the cavity 1171.
As one implementation, the cylinder 11 is provided with a water injection pipe 18, and the water injection pipe 18 is provided with a float valve 181.
By the arrangement, the cooling water in the cylinder 11 can be timely supplemented. Specifically, the water injection pipe 18 is connected to a water network, when the water level of the cooling water in the barrel 11 is reduced to a certain extent, the float valve 181 is opened, the water injection pipe 18 outputs the cooling water and enables the water level of the cooling water in the barrel 11 to rise, after the water level of the cooling water rises to a certain extent, the float valve 181 is automatically closed and stops water injection, the float valve 181 is in the prior art, the float valve 181 is not unfolded, and the corresponding design of the toilet bowl can be referred to specifically.
It will be understood that modifications and variations will be apparent to those skilled in the art from the foregoing description, and it is intended that all such modifications and variations be included within the scope of the following claims.