CN211204030U - Closed condensate water recovery device - Google Patents
Closed condensate water recovery device Download PDFInfo
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- CN211204030U CN211204030U CN201921929933.3U CN201921929933U CN211204030U CN 211204030 U CN211204030 U CN 211204030U CN 201921929933 U CN201921929933 U CN 201921929933U CN 211204030 U CN211204030 U CN 211204030U
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Abstract
The utility model belongs to the technical field of condensate water recovery, and discloses a closed condensate water recovery device, which comprises a water tank, a drainage component and a conveying component, wherein the water tank is provided with a liquid inlet, a liquid outlet and an air outlet; the drainage component comprises at least one drainage piece, each drainage piece comprises a water pump, and the liquid inlet end of the water pump is communicated with the water outlet end of the water tank; the conveying assembly comprises an ejector and a negative pressure pipe, the ejector is provided with a liquid inlet, a liquid outlet and a negative pressure port, the liquid inlet of the ejector is communicated with the liquid outlet of the water pump, the air inlet end of the negative pressure pipe is communicated with the air outlet of the water tank, and the air outlet end of the negative pressure pipe is communicated with the negative pressure port of the ejector. The utility model discloses can alleviate vapor water pump's cavitation erosion effect.
Description
Technical Field
The utility model relates to a condensate recovery technical field, concretely relates to closed condensate recovery unit.
Background
The two-phase common dynamic state of condensate water and vapor is adopted in the closed condensate water recovery system, after the condensate water containing a large amount of vapor enters the water pump, the condensate water is sprayed out from the liquid outlet end of the water pump under the action of the impeller of the water pump, in the water pump, the impeller can compress the condensate water containing bubbles, the bubbles are reduced or broken, the bubbles can vibrate when broken, cavitation erosion can be generated on the water pump, and the service life of the water pump is shortened.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned technique not enough, provide a closed comdenstion water recovery unit, the cavitation erosion easily appears in the water pump among the closed comdenstion water device among the solution prior art and leads to the technical problem that the water pump life-span subtracts the weak point.
In order to achieve the above technical purpose, the technical scheme of the utility model provide a closed comdenstion water recovery unit, a serial communication port, include:
the water tank is provided with a liquid inlet, a liquid outlet and an air outlet;
the drainage component comprises at least one drainage piece, each drainage piece comprises a water pump, and the liquid inlet end of each water pump is communicated with the water outlet end of the corresponding water tank;
the conveying assembly comprises an ejector and a negative pressure pipe, wherein the ejector is provided with a liquid inlet, a liquid outlet and a negative pressure port, the liquid inlet of the ejector is communicated with the liquid outlet of the water pump, the air inlet end of the negative pressure pipe is communicated with the air outlet of the water tank, and the air outlet end of the negative pressure pipe is communicated with the negative pressure port of the ejector.
Compared with the prior art, the beneficial effects of the utility model include: the water tank is sent into through the pipeline to the comdenstion water that contains vapor, when the liquid level in the water tank reaches the take the altitude, start the water pump, the water in the water tank is taken out to the water pump, the aquatic of taking out can be thoughtlessly mixed with vapor, the inlet that passes through the water pump entering ejector that contains vapor, it utilizes the venturi effect, rivers form the partial vacuum negative pressure in the gas inlet department of ejector, the steam of water tank the inside is because the negative pressure effect, constantly inhaled to the ejector in by the source, mix with the rivers of water pump outlet, the steam of water tank the inside has just been taken away like this, the cavitation phenomenon has been reduced.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
fig. 2 is a schematic structural diagram of the filter assembly of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The first embodiment is as follows:
the utility model provides a closed condensate recovery device, as shown in figure 1, including water pitcher 1, drainage component 2, conveying component 3, inlet, leakage fluid dram, gas vent have been seted up to water pitcher 1. Preferably, the liquid outlet of the water tank 1 is located at the bottom of the water tank 1, the gas outlet of the water tank 1 is located at the top of the water tank 1, and the water tank 1 is provided with a liquid level sensor 4 for detecting the liquid level in the water tank 1.
The drainage component 2 comprises at least one drainage member 21, each drainage member 21 comprises a water pump 211, and the liquid inlet end of the water pump 211 is communicated with the liquid outlet end of the water tank 1; the number of the drain members 21 may be one, two, three, etc.
The conveying component 3 comprises an ejector 31, a negative pressure pipe 32 and a first check valve 33, wherein the ejector 31 is provided with a liquid inlet, a liquid outlet and a gas inlet, the liquid inlet of the ejector 31 is communicated with the liquid outlet of the water pump 211, the gas inlet of the negative pressure pipe 32 is communicated with the gas outlet of the water tank 1, and the gas outlet of the negative pressure pipe 32 is communicated with the gas inlet of the ejector 31.
The first check valve 33 is provided in the negative pressure pipe 32, and the first check valve 33 is opened and closed in the opposite direction in the direction from the exhaust port of the water tank 1 to the gas inlet of the ejector 31.
Preferably, the drainage assembly 2 further comprises a first main pipe 22, and the liquid inlet end of the first main pipe 22 is communicated with the water outlet end of the water tank 1; the drainage component 2 comprises two drainage pieces 21, the liquid inlet ends of the water pumps 211 of the two drainage pieces 21 are communicated with the water outlet end of the water tank 1, and the liquid inlet ends and the liquid outlet ends of the water pumps 211 of the two drainage pieces 21 are communicated with the liquid inlet end of the ejector 31.
Further preferably, each drainage member 21 further comprises a first water inlet pipe 212, a first drainage pipe 213, a return pipe 214, a regulating valve 215, a second check valve 216, and a gate valve 217, wherein one end of the first water inlet pipe 212 of the two drainage members 21 is communicated with the liquid outlet end of the first main pipe 22, and the other end of the first water inlet pipe 212 is communicated with the water inlet end of the water pump 211; one end of the first drain pipe 213 is communicated with the water outlet end of the water pump 211, and the other ends of the first drain pipes 213 of the two drain members 21 are communicated with the liquid inlet of the ejector 31.
The return pipe 214 has one end connected to the water outlet of the water pump 211 and the other end connected to the water inlet of the water pump 211, and the control valve 215 is disposed in the return pipe 214, preferably, one end of the return pipe 214 is connected to the first water outlet pipe 213 and the other end is connected to the first water inlet pipe 212.
The outlet of the water pump 211 is provided with a return water pipe, so that part of condensed water at the outlet of the pump can return to the inlet of the water pump 211, and the pipeline is provided with an adjusting valve 215 for adjusting the size of the return water. Thereby reducing the phenomenon that the wheels of the water pump 211 are cavitated when the water pump 211 delivers high-temperature water.
The second check valve 216 is disposed in the first drain pipe 213, and the second check valve 216 is turned on and turned off along a direction from the outlet of the water pump 211 to the inlet of the ejector 31.
The gate valve 217 is disposed between the second check valve 216 and the ejector 31 in the first drain pipe 213.
The utility model discloses a concrete work flow: condensed water containing water vapor is sent into the water tank 1 through a pipeline, when the liquid level in the water tank 1 reaches a certain height, the water pump 211 is started, the water pump 211 pumps out water in the water tank 1 through the first main pipe 22, the pumped water can be mixed with the water vapor, the water containing the water vapor enters the first water discharging pipe 213 through the water pump 211, and enters the liquid inlet of the ejector 31 through the first water discharging pipe 213, the venturi effect is utilized, water flow forms local vacuum negative pressure at the gas inlet of the ejector 31, the water vapor in the water tank 1 is continuously sucked into the ejector 31 due to the negative pressure effect and is mixed with the water flow at the outlet of the water pump 211, so that the water vapor in the water tank 1 is taken away, and the cavitation phenomenon is reduced. Meanwhile, a first check valve 33 is installed on the steam negative pressure pipe 32 of the water tank 1 to prevent water at the outlet end of the water pump 211 from entering the water tank 1 through the negative pressure pipe 32; the mixture of condensed water and water vapor enters the condensed water recovery point from the liquid outlet of the ejector 31.
Because the ejector 31, the negative pressure pipe 32 and the return pipe 214 are arranged, the net outlet flow and the output lift of the water pump 211 can be influenced to a certain extent, the first main pipe 22, the two first water inlet pipes 212, the two water pumps 211 and the two first water discharge pipes 213 are arranged, the water inlet ends of the two first water inlet pipes 212 are communicated with the water outlet end of the first main pipe 22, the water outlet end of the first water discharge pipe 213 is communicated with the liquid inlet of the ejector 31, and the influence of the ejector 31, the negative pressure pipe 32 and the return pipe 214 on the output flow and the lift of the water pump 211 can be compensated under the combined action of the two water pumps 211.
Example two:
as shown in fig. 1 and 2, the same points of the second embodiment and the first embodiment are not illustrated, and the second embodiment is different from the first embodiment in that the closed condensate recovery device further includes a filter assembly 5, where the filter assembly 5 includes a first pipe 51, a second pipe 52, a filter screen 53, and a discharge valve 54, one end of the first pipe 51 is communicated with the liquid discharge port of the injector 31, a slag outlet is formed at the bottom of the first pipe 51, one end of the second pipe 52 is communicated with the slag outlet of the first pipe 51, the filter screen 53 is disposed in the first pipe 51 and is disposed on one side of the slag outlet away from the injector 31, the filter screen 53 is three-quarters circular, a flow gap exists between the upper end of the filter screen 53 and the inner wall of the first pipe 51, and the discharge valve 54 is disposed at the other end of the second pipe 52.
Preferably, the screen 53 is positioned adjacent to the injector 31 in a direction away from the bottom inner wall of the first tubular body 51.
Through the arrangement of the filtering component 5, impurities contained in condensed water, such as suspended matters of scales contained in a water body, can be removed under the interception of the filter screen 53, when a mixture of water vapor and the condensed water passes through the first pipe body 51, the filter screen 53 intercepts the impurities, the impurities are generally heavier than water and are relatively close to the lower end of the first pipe body 51, the impurities flow into the second pipe body 52 along the guide direction of the filter screen 53 after being intercepted by the filter screen 53, the two water vapors are lighter in gas state and are generally positioned at the upper end of the first pipe body 51 and directly pass through a flowing gap between the filter screen 53 and the bracket of the first pipe body 51, and the influence of the filter screen 53 on the passing of the water vapor and the condensed water is reduced; after the filter assembly 5 is used for a period of time, the discharge valve 54 is opened to discharge the impurities in the second pipe 52; the water and the vapor are filtered by the filter 53, discharged from the liquid outlet end of the second tube 52 and enter the condensed water recovery point.
Preferably, the filtering assembly 5 further includes a fixing plate 55, the fixing plate 55 is disposed at one end of the slag outlet close to the injector 31, and the fixing plate 55 covers one half of the slag outlet of the first pipe 51.
Through setting up the stationary blade 55, can shelter from the slag notch of first body 51, prevent that the comdenstion water from receiving the direct second body 52 that flows in of the resistance of filter screen 53, prevent that the impurity in rivers will second body 52 from taking out.
The above description of the present invention does not limit the scope of the present invention. Any other corresponding changes and modifications made according to the technical idea of the present invention should be included in the scope of the claims of the present invention.
Claims (7)
1. A closed condensate recovery device, comprising:
the water tank is provided with a liquid inlet, a liquid outlet and an air outlet;
the drainage component comprises at least one drainage piece, each drainage piece comprises a water pump, and the liquid inlet end of each water pump is communicated with the water outlet end of the corresponding water tank;
the conveying assembly comprises an ejector and a negative pressure pipe, wherein the ejector is provided with a liquid inlet, a liquid outlet and a negative pressure port, the liquid inlet of the ejector is communicated with the liquid outlet of the water pump, the air inlet end of the negative pressure pipe is communicated with the air outlet of the water tank, and the air outlet end of the negative pressure pipe is communicated with the negative pressure port of the ejector.
2. The closed condensate recovery apparatus of claim 1, wherein the delivery assembly further comprises a first check valve disposed in the negative pressure pipe, the first check valve being turned on and turned off in a direction from the gas outlet of the water tank to the negative pressure port of the ejector.
3. The closed condensate water recovery device according to claim 1, wherein the drain assembly comprises two drain members, wherein the inlet ends of the water pumps of the two drain members are communicated with the outlet end of the water tank, and the inlet ends of the water pumps of the two drain members are communicated with the inlet end of the ejector.
4. The closed condensate recovery apparatus of claim 3, wherein the drain assembly further comprises a first main pipe, wherein a liquid inlet end of the first main pipe is communicated with a liquid outlet end of the tank; each drainage piece comprises a first water inlet pipe and a first drainage pipe, one end of each first water inlet pipe of the two drainage pieces is communicated with the liquid outlet end of the first main pipe, and the other end of each first water inlet pipe is communicated with the corresponding water inlet end of the water pump; one end of the first drainage pipe is communicated with the water outlet end of the water pump, and the other ends of the first drainage pipes of the two drainage parts are communicated with the liquid inlet of the ejector.
5. The closed condensate recovery device of claim 4, wherein each of the drain members further comprises a second check valve disposed in the first drain pipe, the second check valve being turned on and turned off in a direction from the outlet of the water pump to the inlet of the ejector.
6. The closed condensate recovery apparatus of claim 5, wherein each of the drain members further comprises a gate valve disposed in the first drain pipe and between the second check valve and the ejector.
7. The closed condensate recovery apparatus of claim 1, wherein each of the drain members further comprises a return pipe and a regulating valve, the return pipe having one end communicating with a water outlet of the water pump and the other end communicating with a water inlet of the water pump, the regulating valve being disposed in the return pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921929933.3U CN211204030U (en) | 2019-11-08 | 2019-11-08 | Closed condensate water recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921929933.3U CN211204030U (en) | 2019-11-08 | 2019-11-08 | Closed condensate water recovery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211204030U true CN211204030U (en) | 2020-08-07 |
Family
ID=71879912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921929933.3U Active CN211204030U (en) | 2019-11-08 | 2019-11-08 | Closed condensate water recovery device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211204030U (en) |
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2019
- 2019-11-08 CN CN201921929933.3U patent/CN211204030U/en active Active
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