Automatic cooling water circulating device

Abstract

The utility model discloses an automatic cooling water circulation device which comprises a bottom plate, a water cooler and a pump body are fixedly installed on the upper surface of the bottom plate, the water inlet end and the water outlet end of the water cooler are fixedly connected with a water inlet pipe and a water outlet pipe respectively, a hose is fixed to the other end of the water inlet pipe, and a hard pipe is fixed to the other end of the hose. The water inlet end and the water outlet end of the pump body are fixedly connected with a water pumping pipe and a water drainage pipe correspondingly, and a filtering assembly is connected between the water drainage pipe and the hard pipe. The cooling water machine, the pump body, the filtering assembly and the lifting assembly are arranged, cooling water can pass through the pump body after being discharged from the electrolysis equipment, impurity particles in the cooling water are filtered and blocked through the filtering assembly, the filtered cooling water returns to the cooling water machine to be continuously cooled, and then the cooling water returns to the electrolysis equipment through the water outlet pipe. And the filtered impurities can stay in the bottom cylinder of the filtering assembly, so that subsequent centralized cleaning is facilitated, and smooth operation and service life of the equipment are ensured.

Description

TECHNICAL FIELD

[0001] The utility model relates to electrolytic water hydrogen production technical field especially relates to a cooling water automatic circulation device. BACKGROUND

[0002] Water electrolysis hydrogen production is a kind of relatively convenient hydrogen production method.In the electrolytic cell filled with electrolyte, direct current is passed in, and water molecules occur electrochemical reaction on the electrode, and decompose into hydrogen and oxygen.In the hydrogen production process, hydrogen production equipment will produce a large amount of heat, if not handled in time, will lead to equipment overheating, accelerate equipment aging even damage.Circulating cooling water's function is to dissipate these heat, keep the temperature of equipment suitable, ensure the normal operation of equipment.

[0003] At present, the commonly used circulating water cooling device is to use the water chiller to cool the circulating water, and the water chiller is divided into screw water chiller unit, scroll water chiller unit and centrifugal water chiller unit according to the compressor. Although the water chiller can cool the water well, with the continuous circulation of water, the impurities in the water will be adsorbed on the inner wall of the pipeline, thereby affecting the overall heat exchange efficiency of the device and the service life of the equipment, so a filtering mechanism is generally arranged on the water circulating pipeline, but the current filtering mechanism is inconvenient to maintain, and the filter screen in the filtering mechanism is troublesome to disassemble and clean. Secondly, it cannot automatically monitor whether the filtering mechanism is seriously blocked, therefore, in view of the above-mentioned shortcomings, the utility model provides a kind of cooling water automatic circulation device. UTILITY MODEL CONTENTS

[0004] The utility model aims at solving the shortcomings in prior art and provides a kind of cooling water automatic circulation device.

[0005] In order to realize the above-mentioned purpose, the utility model adopts the following technical scheme: a kind of cooling water automatic circulation device, including bottom plate, the bottom plate upper surface is fixedly installed with water chiller and pump body, the water inlet end and water outlet end of water chiller are fixedly connected with water inlet pipe and water outlet pipe, the other end of water inlet pipe is fixed with hose, and the other end of hose is fixed with hard tube, the water inlet end and water outlet end of pump body are fixedly connected with water suction pipe and drain pipe, and the filter assembly is connected between drain pipe and hard tube, the bottom plate upper surface and located above filter assembly is equipped with lifting assembly, and the hard tube and bottom plate surface are equipped with monitoring assembly, and the water outlet pipe and water suction pipe are connected with the cooling pipeline of hydrogen production equipment.

[0006] Further, the filter assembly includes a bottom cylinder fixed to the upper surface of the bottom plate, a top cylinder slidably sleeved on the top end surface of the bottom cylinder, an annular baffle fixed to the inner side wall of the top cylinder, a frame plate clamped between the lower surface of the annular baffle and the top end of the bottom cylinder, a filter screen fixed in the frame plate, the drain pipe is in communication with the side wall of the bottom cylinder, and the end of the hard tube away from the hose is in communication with the side wall of the top cylinder.

[0007] Further, the upper surface and the lower surface of the frame plate are fixedly connected with sealing rings, and the two sealing rings are respectively attached to the bottom cylinder and the annular baffle.

[0008] Further, the lifting assembly comprises a support frame fixed to the upper surface of the bottom plate, and a gas cylinder fixedly connected to the top end of the support frame, and the telescopic end of the gas cylinder is fixedly connected with the top cylinder.

[0009] Further, the bottom cylinder is provided with a cleaning opening at the bottom, and a detachable bottom cover is fixed at the bottom of the cleaning opening.

[0010] Further, the monitoring assembly comprises a clamp type flow sensor fixed to the surface of the hard pipe, and a PLC controller and an alarm fixed to the upper surface of the bottom plate, and the clamp type flow sensor and the alarm are electrically connected with the PLC controller.

[0011] The beneficial effects of the utility model are as follows:

[0012] 1. When the utility model is used, the cooling water automatic circulation device is provided with a water cooler, a pump body, a filtering assembly and a lifting assembly, cooling water discharged from the electrolysis equipment passes through the pump body, then is filtered and blocked by the filtering assembly, the filtered cooling water is cooled in the water cooler again, then returns to the electrolysis equipment through the water outlet pipe, and the filtered impurities are retained in the bottom cylinder of the filtering assembly, so that subsequent centralized cleaning is facilitated, and the smooth operation and service life of the equipment are ensured; in addition, the top cylinder of the filtering assembly can be quickly separated from the bottom cylinder by the lifting assembly, so that the filter screen inside the top cylinder is conveniently taken out for cleaning or replacement, and the later maintenance is more simple and convenient.

[0013] 2. When the utility model is used, the cooling water automatic circulation device is provided with a monitoring assembly, the circulating water flow speed can be monitored in real time through the monitoring assembly, if the speed is slow, it indicates that the filter screen of the filtering assembly is seriously blocked, and needs to be replaced or cleaned, at this time, the alarm sounds, and the staff can be timely reminded to overhaul the equipment. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme of the utility model, the following will be briefly introduced the drawings needed to be used in the specific implementation manner, obviously, the drawings in the following description are only some embodiments of the utility model, and for the ordinary skilled in the art, other drawings can be obtained according to these drawings without creating creative labor.

[0015] Figure 1 : the overall schematic view of the utility model;

[0016] Figure 2The utility model discloses a filter assembly three -dimensional explosion diagram,

[0017] Figure 3 The utility model discloses a Figure 1 The enlarged view of A in the middle.

[0018] The reference signs are as follows:

[0019] 1, bottom plate, 2, water chiller, 21, water inlet pipe, 22, water outlet pipe, 3, pump body, 31, water suction pipe, 32, drain pipe, 4, hose, 5, hard pipe, 6, filter assembly, 61, bottom cylinder, 62, top cylinder, 63, frame plate, 64, filter screen, 65, annular baffle, 66, sealing ring, 7, lifting assembly, 71, support frame, 72, air cylinder, 8, monitoring assembly, 81, clamp type flow sensor, 82, PLC controller, 83, alarm. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be apparently and completely described in connection with the drawings in the embodiments of the utility model, and apparently, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the ordinary skilled in the art without creative labor fall within the protection scope of the utility model.

[0021] As Figures 1-3 The utility model discloses a cooling water automatic circulation device, including bottom plate 1, the upper surface fixed mounting of bottom plate 1 has water chiller 2 and pump body 3, and the water inlet end and water outlet end of water chiller 2 are fixedly connected with water inlet pipe 21 and water outlet pipe 22 respectively, one end of water inlet pipe 21 is fixed with hose 4, and the other end of hose 4 is fixed with hard pipe 5, and the water inlet end and water outlet end of pump body 3 are fixedly connected with water suction pipe 31 and drain pipe 32 respectively, and filter assembly 6 is connected between drain pipe 32 and hard pipe 5, lifting assembly 7 is equipped on the upper surface of bottom plate 1 and is located above filter assembly 6, and monitoring assembly 8 is equipped with jointly on hard pipe 5 and the surface of bottom plate 1, and water outlet pipe 22 and water suction pipe 31 are connected with the cooling pipeline of hydrogen production equipment.

[0022] In the embodiment, the water chiller 2 adopts ZGLY-14ALC model water chiller, and its working principle is to reduce the temperature of water through refrigeration cycle, so as to realize cooling effect. The main components of the water chiller 2 include compressor, evaporator, condenser and expansion valve. The compressor is responsible for compressing the refrigerant into high-temperature and high-pressure gas, and then sending it to the condenser to release heat through condensation, and becoming liquid refrigerant. The liquid refrigerant enters the evaporator after pressure reduction through the expansion valve, absorbs the heat of water, and thus reduces the temperature of water

[0023] The filter assembly 6 comprises a bottom cylinder 61 fixed to the upper surface of the bottom plate 1, a top cylinder 62 slidingly sleeved at the top end surface of the bottom cylinder 61, an annular baffle 65 fixed to the inner side wall of the top cylinder 62, a frame plate 63 clamped between the lower surface of the annular baffle 65 and the top end of the bottom cylinder 61, a filter screen 64 fixed inside the frame plate 63, a drain pipe 32 in communication with the side wall of the bottom cylinder 61, and a hard pipe 5 in communication with the side wall of the top cylinder 62 at the end away from the soft pipe 4.

[0024] Therefore, the water discharged from the cooling channel of the hydrogen production equipment will enter the bottom cylinder 61 after passing through the pump body 3, and then the water will pass through the filter screen 64 and return to the water cooler 2 along the hard pipe 5, the soft pipe 4 and the water inlet pipe 21 for cooling, and the cooled water will return to the cooling channel of the hydrogen production equipment from the water outlet pipe 22 to realize water cooling circulation. The impurities filtered out will be retained inside the bottom cylinder 61.

[0025] The upper surface and the lower surface of the frame plate 63 are fixedly connected with sealing rings 66, and the two sealing rings 66 are respectively attached to the bottom cylinder 61 and the annular baffle 65.

[0026] The sealing rings 66 can increase the sealing performance between the frame plate 63, the annular baffle 65 and the bottom cylinder 61.

[0027] The lifting assembly 7 comprises a support frame 71 fixed to the upper surface of the bottom plate 1, a gas cylinder 72 fixedly connected to the top end of the support frame 71, and the telescopic end of the gas cylinder 72 is fixedly connected with the top cylinder 62.

[0028] The telescopic movement of the gas cylinder 72 can drive the top cylinder 62 to move up and down. When the top cylinder 62 is lifted and separated from the bottom cylinder 61, the frame plate 63 and the filter screen 64 at the top of the bottom cylinder 61 can be taken out as a whole for replacement or cleaning.

[0029] The bottom cylinder 61 is provided with a cleaning port at the bottom, and a detachable bottom cover is fixed at the bottom of the cleaning port.

[0030] When the impurities filtered out inside the bottom cylinder 61 need to be cleaned, the bottom cover can be removed to discharge the impurities from the cleaning port.

[0031] The monitoring assembly 8 comprises a clamp type flow sensor 81 fixed to the surface of the hard pipe 5, a PLC controller 82 and an alarm 83 fixed to the upper surface of the bottom plate 1, and the clamp type flow sensor 81 and the alarm 83 are electrically connected with the PLC controller 82.

[0032] In the embodiment, the PLC controller 82 is a Siemens S7-200 programmable controller, and the clamp-on flow sensor 81 is a Keyence FD-X series clamp-on flow sensor. The clamp-on flow sensor 81 can monitor the water flow speed in the hard pipe 5. When the flow speed is lower than the preset speed of the PLC controller 82, it indicates that the filter screen 64 of the filter assembly 6 is seriously clogged. The clamp-on flow sensor 81 feeds back a signal to the PLC controller 82, and the PLC controller 82 controls the alarm 83 to sound, reminding the staff to clean or replace the filter screen 64 in time.

[0033] Working principle: after starting the pump body 3 and the water chiller 2, the water discharged from the cooling channel of the hydrogen production equipment enters the bottom cylinder 61 after passing through the pump body 3, then the water passes through the filter screen 64 and returns to the water chiller 2 along the hard pipe 5, the soft pipe 4 and the water inlet pipe 21 for cooling, and the cooled water returns to the cooling channel of the hydrogen production equipment from the water outlet pipe 22, realizing the water cooling circulation.

[0034] The preferred embodiments disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details and limit the utility model to the specific implementation. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principle and practical application of the utility model, so that the technicians in the technical field can well understand and use the utility model. The utility model is limited by the claims and the whole scope and equivalents.

Claims

1. An automatic water cooling circulation device comprising a base plate (1), characterized in that: The bottom plate (1) upper surface is fixedly installed with a cold water machine (2) and a pump body (3), the cold water machine (2) water inlet end and water outlet end are fixedly connected with water inlet pipe (21) and water outlet pipe (22) respectively, the water inlet pipe (21) other end is fixed with a hose (4), and the hose (4) other end is fixed with a hard pipe (5), the pump body (3) water inlet end and water outlet end are fixedly connected with water suction pipe (31) and drain pipe (32) respectively, the drain pipe (32) and hard pipe (5) are connected with filter assembly (6), the bottom plate (1) upper surface and above filter assembly (6) are equipped with lifting assembly (7), the hard pipe (5) and bottom plate (1) surface are equipped with monitoring assembly (8) together, the water outlet pipe (22) and water suction pipe (31) are connected with the cooling pipeline of hydrogen production equipment.

2. The automatic cooling water circulating device according to claim 1, characterized in that: The filter assembly (6) includes a bottom cylinder (61) fixed on the upper surface of the bottom plate (1), the top end surface of the bottom cylinder (61) is slidably sleeved with a top cylinder (62), the inner side wall of the top cylinder (62) is fixed with an annular baffle (65), the lower surface of the annular baffle (65) and the top end of the bottom cylinder (61) are clamped with a frame plate (63), the frame plate (63) is fixed with a filter screen (64) inside, the drain pipe (32) is communicated with the side wall of the bottom cylinder (61), and the hard pipe (5) is communicated with the side wall of the top cylinder (62) away from the hose (4).

3. The automatic cooling water circulating device according to claim 2, characterized in that: The upper surface and the lower surface of the frame plate (63) are fixedly connected with sealing rings (66), and the two sealing rings (66) are respectively attached to the bottom cylinder (61) and the annular baffle (65).

4. The automatic cooling water circulating device according to claim 2, characterized in that: The lifting assembly (7) includes a support frame (71) fixed on the upper surface of the bottom plate (1), the top end of the support frame (71) is fixedly connected with a gas cylinder (72), and the telescopic end of the gas cylinder (72) is fixedly connected with the top cylinder (62).

5. The automatic cooling water circulating device according to claim 2, characterized in that: The bottom cylinder (61) is provided with a cleaning port at the bottom, and a detachable bottom cover is fixed at the bottom of the cleaning port.

6. The automatic cooling water circulating device according to claim 1, characterized in that: The monitoring assembly (8) includes a clamp type flow sensor (81) fixed on the surface of the hard pipe (5), and a PLC controller (82) and an alarm (83) fixed on the upper surface of the bottom plate (1), and the clamp type flow sensor (81) and the alarm (83) are electrically connected with the PLC controller (82).

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