Emptying and drainage device for circulating water pump

Abstract

The utility model provides an emptying drainage device for a circulating water pump, which comprises a main recovery pipeline and an auxiliary recovery pipeline, the auxiliary recovery pipeline is communicated with a water inlet pipe section of the circulating pump, and the main recovery pipeline is communicated with a water outlet pipe section of the circulating pump; the main recycling pipeline comprises a main recycling pipe section connected into the water outlet pipe section and a main collecting tank arranged at the tail end of the main recycling pipe section, the auxiliary recycling pipeline comprises an auxiliary recycling pipe section connected into the water inlet pipe section, an auxiliary collecting tank and a vacuum pump, the auxiliary collecting tank and the vacuum pump are arranged on the auxiliary recycling pipe section, and the tail end, away from the water inlet pipe section, of the auxiliary recycling pipe section is communicated with the main collecting tank. Circulating liquid is alternately recycled between the main recycling pipeline and the auxiliary recycling pipeline provided by the utility model, the main recycling pipeline and the auxiliary recycling pipeline are used for discharging and draining liquid respectively by virtue of the circulating pump and the vacuum pump, and the liquid discharging efficiency is improved by utilizing a double-line matching mode.

Description

TECHNICAL FIELD

[0001] The utility model belongs to circulating water pump loop technical field especially relates to a kind of for circulating water pump emptying drainage device. BACKGROUND

[0002] Circulating water pump is usually set at heat station, heat source or cold source etc..In the closed loop of heating system or air conditioning water system, circulating water pump is not to lift water to high place, but to make water circulate in system, overcome the resistance loss of loop, and it has no direct relationship with the height of building, so it is called circulating water pump.

[0003] In the process of periodically cleaning loop, the loop is emptied and drained, and the prior art mostly relies on circulating water pump as power source in the process of emptying the loop constructed by circulating water pump. As the gas enters the loop as the liquid content in the loop decreases, the working efficiency of the circulating water pump is affected, which affects the efficiency of emptying and draining. UTILITY MODEL CONTENTS

[0004] The utility model provides a kind of for circulating water pump emptying drainage device, to solve the problem that the loop constructed by circulating water pump mostly relies on circulating water pump as power source in the process of emptying, and the working efficiency of circulating water pump is affected, which affects the efficiency of emptying and draining.

[0005] The utility model is realized as follows: a kind of for circulating water pump emptying drainage device, comprising:

[0006] Main recovery pipeline and vice recovery pipeline, the vice recovery pipeline is communicated with the water inlet pipe section of circulating pump, and the main recovery pipeline is communicated with the water outlet pipe section of circulating pump;

[0007] The main recovery pipeline includes main recovery pipe section connected to the water outlet pipe section and main collection tank arranged at the end of main recovery pipe section, and the vice recovery pipeline includes vice recovery pipe section connected to the water inlet pipe section, vice collection tank and vacuum pump arranged on the vice recovery pipe section, and the end of vice recovery pipe section away from the water inlet pipe section is communicated with the main collection tank.

[0008] The main recovery pipeline is directly connected to the rear end of the water outlet pipe section of circulating pump, and the subsequent flow state of the water outlet pipe section of circulating pump is cut off, and the circulating liquid output by circulating pump is sent to main collection tank through main recovery pipe section, the vice recovery pipeline is connected to the water inlet pipe section of circulating pump, and the vice recovery pipeline is used to replace circulating pump to drain and drain through vacuum pump on the vice recovery pipeline when circulating pump stops circulating.

[0009] Preferably, the main recovery pipeline further comprises a second control valve, the second control valve is connected in series to the water outlet pipe section of circulating pump, the second control valve is a three-way control valve, and the main recovery pipe section is connected with the second control valve.

[0010] Preferably, a first control valve is arranged on the secondary recovery pipe section, the first control valve, the collection tank and the vacuum pump are sequentially connected in series into the secondary recovery pipe section, and a water outlet of the vacuum pump is communicated with the primary collection tank.

[0011] Preferably, a first one-way valve is arranged at a front end of the first control valve on the secondary recovery pipe section.

[0012] Preferably, a second one-way valve is arranged between the second control valve and the primary collection tank on the primary recovery pipe section.

[0013] Preferably, an exhaust valve is arranged on each of the primary collection tank and the secondary collection tank.

[0014] Preferably, a liquid level sensor is arranged in the primary collection tank, and the liquid level sensor is responsible for sensing a recycling liquid recovery state of the primary collection tank; when the primary collection tank collects the recycling liquid to a certain degree, it indicates that the total amount of the recycling liquid in the pipeline decreases to a certain degree, and the primary recovery pipeline is cut off and the secondary recovery pipeline is started to complete switching.

[0015] Compared with the prior art, the embodiment of the application has the following beneficial effects:

[0016] The recycling water pump emptying and drainage device provided by the utility model realizes alternating recovery treatment of the recycling liquid between the primary recovery pipeline and the secondary recovery pipeline, the primary recovery pipeline and the secondary recovery pipeline rely on the recycling pump and the vacuum pump respectively to drain and drain, the double-line cooperation mode is used to improve the drainage efficiency, the working efficiency of the recycling pump is prevented from being reduced after a large amount of recycling liquid is recovered when the recycling pump is completely relied on for recovery, and the emptying and drainage efficiency is prevented from being reduced. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a structural schematic view of a recycling water pump emptying and drainage device provided by the utility model.

[0018] MARK NUMBER EXPLANATION:

[0019] 110, recycling pump; 120, water inlet pipe section; 130, water outlet pipe section; 101, second control valve;

[0020] 210, secondary recovery pipe section; 220, first control valve; 230, secondary collection tank; 240, first one-way valve; 250, vacuum pump;

[0021] 310, primary recovery pipe section; 320, second one-way valve; 330, primary collection tank. DETAILED DESCRIPTION

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description herein is for describing particular embodiments only and is not intended to be limiting of the application. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description herein is for describing particular embodiments only and is not intended to be limiting of the application. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description herein is for describing particular embodiments only and is not intended to be limiting of the application. The terminology used in the description herein is for describing particular embodiments only and is not intended to be limiting of the application. The terms "comprising," "having," "including," and "containing" are to be construed open-ended, unless otherwise noted. The terms "comprise," "comprising," "comprised of," and "comprising of" when used in this specification, specify the presence of stated features, integers, steps, operations, elements, or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, or groups thereof.

[0023] Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are they necessarily mutually exclusive of one another. As will be apparent to those of ordinary skill in the art, embodiments described herein can be combined with other embodiments.

[0024] The utility model embodiment provides a kind of for circulating water pump emptying drainage device, as shown in Figure 1 As shown in the accompanying drawings, the circulating water pump emptying drainage device comprises:

[0025] Main recovery pipeline and auxiliary recovery pipeline, the auxiliary recovery pipeline is communicated with the water inlet pipe section 120 of circulating pump 110, the main recovery pipeline is communicated with the water outlet pipe section 130 of circulating pump 110;

[0026] The main recovery pipeline includes the main recovery pipe section 310 connected to the water outlet pipe section 130, and the main collection tank 330 arranged at the end of the main recovery pipe section 310. The auxiliary recovery pipeline includes the auxiliary recovery pipe section 210 connected to the water inlet pipe section 120, and the auxiliary collection tank 230 and the vacuum pump 250 arranged on the auxiliary recovery pipe section 210. The end of the auxiliary recovery pipe section 210, which is away from the end of the water inlet pipe section 120, is communicated with the main collection tank 330.

[0027] The main recovery pipeline is connected to the rear end of the water outlet pipe section 130 of the circulating pump 110, and cuts off the subsequent flow state of the water outlet pipe section 130 of the circulating pump 110. The circulating liquid output by the circulating pump 110 is sent to the main collection tank 330 through the main recovery pipe section 310. The auxiliary recovery pipeline is connected to the water inlet pipe section 120 of the circulating pump 110. The auxiliary recovery pipeline is used to replace the circulating pump 110 to drain and guide the liquid through the vacuum pump 250 arranged on the auxiliary recovery pipeline after the circulating pump 110 stops working.

[0028] In the initial stage of the drainage, the circulating pump 110 continues to work to cooperate with the main recovery pipe section 310 to directly send the circulating liquid in the pipeline into the main collection tank 330. The main collection tank 330 is internally provided with a liquid level sensor, which is responsible for sensing the circulating liquid recovery state collected by the main collection tank 330. When the circulating liquid collected by the main collection tank 330 reaches a certain degree, it indicates that the total amount of the circulating liquid in the pipeline has decreased to a certain degree, and the drainage efficiency of the circulating pump 110 will decrease. A large amount of gas enters the pipeline, and the circulating pump 110 will be closed at this time. The auxiliary recovery pipeline is opened and the circulating liquid is sent into the main collection tank 330 by the auxiliary recovery pipeline. The auxiliary recovery pipeline functions to replace the circulating pump 110 in the later stage of the drainage drainage and uses the vacuum pump 250 to recover the tail flow, thereby reducing the backflow efficiency of the circulating pump 110.

[0029] The circulating liquid is alternately recovered by the main recovery pipeline and the auxiliary recovery pipeline. The main recovery pipeline and the auxiliary recovery pipeline rely on the circulating pump 110 and the vacuum pump 250, respectively, to drain the liquid. The double-line cooperation mode is used to improve the drainage efficiency and avoid the problem that the working efficiency of the circulating pump 110 decreases after a large amount of circulating liquid is recovered, thereby affecting the drainage efficiency.

[0030] As a preferred embodiment in the present embodiment, the main recovery pipeline further comprises a second control valve 101, which is connected in series to the outlet pipe section 130 of the circulating pump 110. The second control valve 101 is a three-way control valve, and the main recovery pipe section 310 is connected to the second control valve 101.

[0031] The auxiliary recovery pipe section 210 is provided with a first control valve 220. The first control valve 220, the collection tank 230, and the vacuum pump 250 are connected in series to the auxiliary recovery pipe section 210. The outlet of the vacuum pump 250 is communicated with the main collection tank 330.

[0032] In the present embodiment, the first control valve 220 and the second control valve 101 are both operated by electromagnetic control. The second control valve 101 is a controllable three-way control valve. In the initial stage of the drainage, the second control valve 101 can switch the outlet circulating liquid of the circulating pump 110 from the original outlet pipe section 130 to the main recovery pipe section 310. The function of the first control valve 220 is to start after the circulating pump 110 stops working, and the second control valve 101 completely cuts off the outlet of the circulating pump 110. The first control valve 220 is closed in the early stage of the drainage and in the circulating process, thereby avoiding the early intervention of the auxiliary recovery pipeline in the circulating and drainage processes.

[0033] As a preferred embodiment in the embodiment, the first control valve 220 is provided on the front end of the sub-recovery pipe section 210, and a first one-way valve 240 is provided on the front end of the first control valve 220; a second one-way valve 320 is provided between the second control valve 101 and the main collection tank 330 on the main recovery pipe section 310; the first one-way valve 240 is provided on the first control valve 220 and the sub-collection tank 230 on the sub-recovery pipe section 210;

[0034] In the embodiment, the first one-way valve 240 and the second one-way valve 320 prevent the liquid and gas in the sub-recovery pipe section 210 and the main recovery pipe section 310 from flowing back,

[0035] As a preferred embodiment in the embodiment, the main collection tank 330 and the sub-collection tank 230 are both provided with exhaust valves, and the collected gas in the main collection tank 330 and the sub-collection tank 230 is exhausted during the liquid drainage process;

[0036] It should be noted that, for the foregoing embodiments, in order to simply describe, the foregoing embodiments are described as a series of action combinations, but those skilled in the art should know that the utility model is not limited by the described action sequence, because according to the utility model, some steps can be performed in other sequences or simultaneously. Secondly, those skilled in the art should know that the embodiments described in the specification all belong to preferred embodiments, and the actions and modules involved are not necessarily necessary for the utility model.

[0037] The above embodiments are only used to illustrate the technical solutions of the utility model, and not to limit the protection scope of the utility model. Obviously, the described embodiments are only some embodiments of the utility model, not all embodiments. Based on these embodiments, all other embodiments obtained by those skilled in the art without creative labor belong to the scope to be protected by the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still combine, add or delete or make other adjustments to the features in each embodiment of the utility model according to the circumstances without creative labor, so as to obtain different other technical solutions without departing from the concept of the utility model. These technical solutions also belong to the scope to be protected by the utility model.

Claims

1. A device for draining and diverting water from a circulating water pump, characterized in that, include: The system includes a main recovery pipeline and a secondary recovery pipeline, wherein the secondary recovery pipeline is connected to the inlet section of the circulating pump, and the main recovery pipeline is connected to the outlet section of the circulating pump. The main recovery pipeline includes a main recovery pipeline connected to the outlet pipeline and a main collection tank located at the end of the main recovery pipeline. The secondary recovery pipeline includes a secondary recovery pipeline connected to the inlet pipeline and a secondary collection tank and a vacuum pump located on the secondary recovery pipeline. The end of the secondary recovery pipeline away from the inlet pipeline is connected to the main collection tank.

2. The device for draining and guiding water from a circulating water pump as described in claim 1, characterized in that, The main recovery pipeline also includes a second control valve, which is connected in series to the outlet section of the circulating pump. The second control valve is a three-way control valve, and the main recovery pipeline is connected to the second control valve.

3. The device for draining and guiding water from a circulating water pump as described in claim 2, characterized in that, The secondary recovery pipe section is equipped with a first control valve. The first control valve, the collection tank, and the vacuum pump are connected in series into the secondary recovery pipe section. The outlet of the vacuum pump is connected to the main collection tank.

4. The device for draining and guiding water from a circulating water pump as described in claim 3, characterized in that, A first check valve is provided at the front end of the first control valve on the secondary recovery pipe section.

5. A device for draining and guiding water from a circulating water pump as described in claim 4, characterized in that, A second check valve is provided between the second control valve on the main recovery pipe section and the main collection tank.

6. A device for draining and guiding water from a circulating water pump as described in claim 5, characterized in that, Both the main collection tank and the auxiliary collection tank are equipped with exhaust valves.

7. A device for draining and guiding water from a circulating water pump as described in claim 6, characterized in that, The main collection tank is equipped with a liquid level sensor.

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