Automatic recovery device for high-temperature wastewater

Abstract

The utility model relates to the technical field of high-temperature waste water recovery, and discloses an automatic high-temperature waste water recovery device which comprises a high-temperature waste water expansion tank, a water inlet pipe is arranged at the top end of the high-temperature waste water expansion tank, a collection assembly is arranged below the high-temperature waste water expansion tank, and the collection assembly is provided with two high-temperature waste water collection tanks. Block valves are mounted at the positions, close to one sides, of the top ends of the two high-temperature wastewater collection tanks; a liquid discharge pipe is arranged at the bottom end of the high-temperature wastewater expansion tank; the normal-pressure high-temperature waste water conveying work is completed through the collecting assembly and by means of gas power, in the high-temperature waste water collecting process, a conveying pump does not need to be used for conveying, cavitation damage to parts such as a pump shaft and an impeller caused by frequent use of the conveying pump is avoided, and when one high-temperature waste water collecting tank is cleaned or maintained, the high-temperature waste water collecting tank is cleaned or maintained. And the other high-temperature wastewater collecting tank can work, so that the forward running time of the equipment can be prolonged, and the working efficiency can be improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to high temperature wastewater recovery technical field, concretely is a kind of high temperature wastewater automatic recovery device. BACKGROUND

[0002] Process high temperature wastewater is mainly derived from steam pipeline heat tracing and industrial heat exchanger, since this part of high temperature wastewater temperature is higher, conveying pump is used to convey and can lead to conveying pump frequent cavitation, damage pump shaft and impeller and other parts.

[0003] Chinese patent provides automatic high temperature wastewater treatment equipment, and the publication number is CN113144728A, including cooling equipment and wastewater treatment equipment, the cooling equipment includes first wallboard, second wallboard, third wallboard, bottom plate and top plate, clarification cavity, the wastewater treatment equipment includes wastewater cavity, the first wallboard, second wallboard.

[0004] The above device first recovers wastewater heat in high temperature wastewater, so that water inlet, water outlet and cooling can be carried out synchronously, and the equipment has high integration degree, is compact and small, and effectively utilizes the energy in high temperature wastewater, and the flocculation group generated in the treatment process of wastewater is automatically separated;

[0005] But its hot water recovery structure is more complex, and it is difficult to replace internal devices after damage, and the wastewater contains a small amount of impurities, and the single collection tank is arranged, which affects normal discharge of wastewater during cleaning. UTILITY MODEL CONTENT

[0006] The utility model aims at providing a kind of high temperature wastewater automatic recovery device, can effectively solve the problems in background art.

[0007] To achieve the above object, the utility model provides the following technical scheme:

[0008] A kind of high temperature wastewater automatic recovery device, including high temperature wastewater expansion tank, the top of the high temperature wastewater expansion tank is provided with water inlet pipe, the lower portion of the high temperature wastewater expansion tank is provided with collection assembly, the collection assembly has two high temperature wastewater collection tanks, the top of the two high temperature wastewater collection tanks is installed with stop valve at one side position, the bottom of the high temperature wastewater expansion tank is provided with liquid discharge pipe, and the end of liquid discharge pipe away from the high temperature wastewater expansion tank is connected with two stop valves,

[0009] The top end of the high-temperature wastewater collecting tank is provided with an exhaust valve and a pressurizing valve at both sides of the rear end, a stainless steel screen is arranged at the lower part of the inside of the high-temperature wastewater collecting tank, a slag sweeping motor is fixedly arranged at the top end of the high-temperature wastewater collecting tank, a metal sealing element is arranged at the connecting part of the slag sweeping motor and the high-temperature wastewater collecting tank, a connecting rod is fixedly connected to the driving shaft of the slag sweeping motor and penetrates through the top end of the high-temperature wastewater collecting tank, a scraping block is arranged at the lower part of the outer ring of the slag sweeping motor, and the bottom surface of the scraping block is attached to the top surface of the stainless steel screen, and a bypass pipe is connected to one side of the high-temperature wastewater collecting tank, and a liquid level detector is arranged at the top end of the bypass pipe.

[0010] Preferably, a waste residue recovery box matched with the stainless steel screen is arranged at the lower part of the side of the high-temperature wastewater collecting tank away from the liquid level detector, and a residue discharging port is fixedly arranged at the lower end of the waste residue recovery box.

[0011] Preferably, an annular pipe is arranged at the central position of the outer ring of the high-temperature wastewater collecting tank, a plurality of spray heads are arranged at the inner ring of the annular pipe, the plurality of spray heads extend into the high-temperature wastewater collecting tank, and a sealing ring is arranged at the connecting part of the spray heads and the high-temperature wastewater collecting tank.

[0012] Preferably, a water delivery pipe is connected to the rear position of the outer ring of the annular pipe, and a water delivery electromagnetic valve is arranged at the connecting part of the annular pipe and the water delivery pipe.

[0013] Preferably, a standby discharge port is arranged at the side position of the outer ring of the high-temperature wastewater expansion tank, and a standby water drainage valve is arranged at the connecting part of the standby discharge port and the high-temperature wastewater expansion tank.

[0014] Preferably, a support plate is fixedly arranged at the bottom end of the two high-temperature wastewater collecting tanks, an electric control box is arranged at the top end of the side position of the support plate, a self-control module is arranged in the electric control box, and the self-control module in the electric control box is signal-connected with the shut-off valve, the exhaust valve, the pressurizing valve, the liquid level detector, the residue discharging port, the water delivery electromagnetic valve and the standby water drainage valve.

[0015] Preferably, a drainage pipe is connected to the lower part of the side of the high-temperature wastewater collecting tank away from the water delivery pipe, and a check valve is arranged at the connecting part of the drainage pipe and the high-temperature wastewater collecting tank.

[0016] Preferably, a pressure gauge is arranged at the top end of the drainage pipe and located between the high-temperature wastewater collecting tank and the check valve.

[0017] Compared with the prior art, the high-temperature wastewater collecting tank has the following beneficial effects:

[0018] The utility model discloses a novel through setting up collection subassembly cooperation high temperature wastewater expansion tank, when high temperature wastewater is discharged, through using gas power, the high temperature wastewater conveying work of normal pressure is completed, in the process of high temperature wastewater collection, need not use the conveying pump to transport, avoid the cavitation damage of pump shaft and impeller etc. of the frequent use of conveying pump, conveniently improve the use effect.

[0019] Through setting up annular pipe, stainless steel screen, scrape block, slag discharge port, waste residue recovery box cooperation, it is convenient to clean the impurity in high temperature wastewater collection tank, and high temperature wastewater collection tank is equipped with two, when one of high temperature wastewater collection tank is cleaned or maintained, can through another high temperature wastewater collection tank and recycles the discharge of high temperature wastewater, beneficial to prolong the equipment positive operation time, reduce the occupation of equipment maintenance to operation time, so as to improve work efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the overall structure schematic diagram of a kind of high temperature wastewater automatic recovery device in the utility model embodiment;

[0021] Figure 2 It is the internal structure section view of high temperature wastewater collection tank in the utility model embodiment;

[0022] Figure 3 It is the rear view of Figure 1 in the utility model embodiment;

[0023] Figure 4 It is the structure plan view of high temperature wastewater expansion tank and high temperature wastewater collection tank in the utility model embodiment.

[0024] In the drawing: 1, high temperature wastewater expansion tank;2, inlet pipe;3, collection subassembly;4, high temperature wastewater collection tank;5, cut-off valve;6, exhaust valve;7, pressure valve;8, sweep residue motor;9, connecting rod;10, stainless steel screen;11, scrape block;12, waste residue recovery box;13, slag discharge port;14, annular pipe;15, water delivery solenoid valve;16, water delivery pipe;17, bypass pipe;18, liquid level detector;19, electric control box;20, check valve;21, spare discharge port. DETAILED DESCRIPTION

[0025] The technical scheme in the utility model embodiments will be described clearly and completely below in conjunction with the drawings of the utility model embodiments. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0026] Embodiment one

[0027] CombineFigures 1-4 The utility model provides an automatic high-temperature wastewater recycling device, which comprises a high-temperature wastewater expansion tank 1, a water inlet pipe 2 arranged at the top end of the high-temperature wastewater expansion tank 1, a collecting assembly 3 arranged below the high-temperature wastewater expansion tank 1, two high-temperature wastewater collecting tanks 4 arranged in the collecting assembly 3, a cut-off valve 5 arranged at the top end of each of the two high-temperature wastewater collecting tanks 4, a liquid outlet pipe arranged at the bottom end of the high-temperature wastewater expansion tank 1, and the liquid outlet pipe is connected to the two cut-off valves 5 at the end away from the high-temperature wastewater expansion tank 1.

[0028] Referring to Figure 2 and Figure 4 , it is further obtained that an exhaust valve 6 and a pressurizing valve 7 are arranged at the top end of the high-temperature wastewater collecting tank 4 at the two sides of the rear end, a bypass pipe 17 is connected to one side of the high-temperature wastewater collecting tank 4, a liquid level detector 18 is arranged at the top end of the bypass pipe 17, a standby discharge port 21 is arranged at the outer ring of the high-temperature wastewater expansion tank 1 at one side, a standby drainage valve is arranged at the connection between the standby discharge port 21 and the high-temperature wastewater expansion tank 1, a drainage pipe is connected to one side of the high-temperature wastewater collecting tank 4 at the lower position away from the water conveying pipe 16, a check valve 20 is arranged at the connection between the drainage pipe and the high-temperature wastewater collecting tank 4, a pressure gauge is arranged at the top end of the drainage pipe, the pressure gauge is arranged between the high-temperature wastewater collecting tank 4 and the check valve 20, a support plate is fixedly arranged at the bottom end of the two high-temperature wastewater collecting tanks 4, an electric control box 19 is arranged at the top end of the support plate at one side, a self-control module is arranged in the electric control box 19, and the self-control module in the electric control box 19 is signal-connected to the cut-off valve 5, the exhaust valve 6, the pressurizing valve 7, the liquid level detector 18, the residue discharge port 13, the water conveying electromagnetic valve 15 and the standby drainage valve.

[0029] Specifically, the high-temperature wastewater to be recycled can be conveyed into the high-temperature wastewater expansion tank 1 by connecting an external drainage pipe to the water inlet pipe 2, then the appropriate cut-off valve 5 can be opened to convey the high-temperature wastewater into the high-temperature wastewater collecting tank 4 by the self-weight of the water, at this time, the parameters at the liquid level detector 18 can be set in advance according to the water level, the water level in the high-temperature wastewater collecting tank 4 can be measured by the liquid level detector 18, when the high-temperature wastewater in the high-temperature wastewater collecting tank 4 reaches the upper limit, the exhaust valve 6 and the cut-off valve 5 are controlled to be closed and the pressurizing valve 7 is opened by the self-control module in the electric control box 19, in this way, the water pressure in the high-temperature wastewater collecting tank 4 can be increased, so that the pressure is greater than the discharge intensity at the check valve 20, and before use, the check valve 20 can be connected to the external conveying pipeline in advance, so that the wastewater in the high-temperature wastewater collecting tank 4 can be conveyed to the appropriate position, when the high-temperature wastewater in the high-temperature wastewater collecting tank 4 reaches the lower limit detected by the liquid level detector 18, the pressurizing valve 7 is controlled to be closed and the exhaust valve 6 and the cut-off valve 5 are opened by the electric control box 19, so that the high-temperature wastewater in the high-temperature wastewater expansion tank 1 can be conveyed into the high-temperature wastewater collecting tank 4 again, the above steps can be repeated to complete the work of conveying the high-temperature wastewater.

[0030] Embodiment Two

[0031] With reference to Figure 2 Figure 3 And on the basis of Embodiment One, it is further obtained that a stainless steel screen 10 is installed at the lower position inside the high-temperature wastewater collection tank 4, a slag sweeping motor 8 is fixedly installed at the top end of the high-temperature wastewater collection tank 4, and a metal sealing piece is arranged at the connection between the slag sweeping motor 8 and the high-temperature wastewater collection tank 4, and a connecting rod 9 is fixedly connected to the driving shaft of the slag sweeping motor 8 through the top end of the high-temperature wastewater collection tank 4, a scraping block 11 is installed at the lower position of the outer ring of the slag sweeping motor 8, the bottom surface of the scraping block 11 is in close contact with the top surface of the stainless steel screen 10, a waste residue recovery box 12 that is adaptively matched with the stainless steel screen 10 is arranged at the lower position of the side of the high-temperature wastewater collection tank 4 away from the liquid level detector 18, a residue discharge port 13 is fixedly arranged at the lower end of the waste residue recovery box 12, an annular pipe 14 is installed at the central position of the outer ring of the high-temperature wastewater collection tank 4, a plurality of spray heads are arranged at the inner ring of the annular pipe 14, the plurality of spray heads extend into the high-temperature wastewater collection tank 4, a sealing ring is arranged at the connection between the spray heads and the high-temperature wastewater collection tank 4, a water delivery pipe 16 is connected to the rear position of the outer ring of the annular pipe 14, and a water delivery electromagnetic valve 15 is arranged at the connection between the annular pipe 14 and the water delivery pipe 16.

[0032] Specifically, in use, the impurities possibly contained in the high-temperature wastewater can be filtered through the stainless steel screen 10 arranged, and the impurities can be swept into the waste residue recovery box 12 by driving the slag sweeping motor 8 to drive the scraping block 11 to rotate on the slag sweeping motor 8, and when cleaning and maintenance are needed, the hot water in the shut-off valve 5 can be emptied, the residue discharge port 13 can be opened, the water delivery pipe 16 can be connected to an external cleaning water pipe, and then the external cleaning water flow can be delivered to the annular pipe 14 through the opening of the water delivery electromagnetic valve 15, and sprayed from the annular pipe 14 into the high-temperature wastewater expansion tank 1, and the impurities cleaned out can be discharged from the residue discharge port 13, and in the above cleaning process, because the high-temperature wastewater collection tank 4 is provided with two, the high-temperature wastewater can be delivered into different high-temperature wastewater collection tanks 4 by opening different shut-off valves 5, so as to ensure that the cleaning process will not affect the normal hot water discharge, and this step can also be taken to maintain the two high-temperature wastewater collection tanks 4 in turn.

[0033] In actual operation, the high-temperature wastewater to be recovered can be transmitted into the high-temperature wastewater expansion tank 1 by connecting the external drain pipe to the water inlet pipe 2, and then the appropriate shut-off valve 5 can be opened to transmit the high-temperature wastewater into the high-temperature wastewater collection tank 4 through the self-weight of the water, at this time the parameters at the liquid level detector 18 can be set in advance according to the water level, and the water level in the high-temperature wastewater collection tank 4 can be measured through the liquid level detector 18 subsequently;

[0034] When the high-temperature wastewater in the high-temperature wastewater collecting tank 4 reaches the high limit, the exhaust valve 6 and the cutoff valve 5 are closed and the pressurizing valve 7 is opened by the automatic control module at the electric control box 19, so that the water pressure in the high-temperature wastewater collecting tank 4 is increased, and the pressure is greater than the discharge force at the check valve 20, and the check valve 20 can be connected with the external transmission pipeline in advance before use, so that the wastewater in the high-temperature wastewater collecting tank 4 is transported to a suitable position;

[0035] When the high-temperature wastewater in the high-temperature wastewater collecting tank 4 reaches the low limit detected by the subsequent liquid level detector 18, the pressurizing valve 7 is closed and the exhaust valve 6 and the cutoff valve 5 are opened by the electric control box 19, so that the high-temperature wastewater in the high-temperature wastewater expansion tank 1 is transported to the high-temperature wastewater collecting tank 4 again, and the above steps can be repeated subsequently to complete the transportation of the high-temperature wastewater;

[0036] And during the work, the high-temperature wastewater is transported by pressure, and not by the delivery pump, so that the probability of damage to the pump shaft and impeller parts due to cavitation when the delivery pump is frequently used to transport hot water can be prevented, and the use effect can be improved;

[0037] The impurities that may be contained in the high-temperature wastewater can be filtered by the stainless steel screen 10, and the impurities can be swept into the waste residue recovery box 12 by driving the slag sweeping motor 8 to rotate the scraping block 11 on the slag sweeping motor 8, so that the impurities are swept into the waste residue recovery box 12, and when cleaning and maintenance are needed, the discharge port 13 can be opened after the hot water in the cutoff valve 5 is emptied, and the water delivery pipe 16 is connected with the external cleaning water pipe, and then the water delivery electromagnetic valve 15 can be opened;

[0038] The external cleaning water flow is transported to the annular pipe 14 and sprayed into the high-temperature wastewater expansion tank 1 from the annular pipe 14, and then the impurities cleaned out are discharged from the discharge port 13, and during the above cleaning process, since the high-temperature wastewater collecting tank 4 is provided with two, the high-temperature wastewater can be transported into different high-temperature wastewater collecting tanks 4 by opening different cutoff valves 5, so that the cleaning process does not affect the normal hot water discharge, and this step can also be taken to maintain the two high-temperature wastewater collecting tanks 4 in turn during maintenance;

[0039] And since the backup discharge port 21 is installed on the high-temperature wastewater expansion tank 1, the drain pipe can be connected with the backup discharge port 21 and the external drain pump when necessary, so that the external drain pump is borrowed for drainage work in an emergency, and the loss can be considered at this time to avoid a larger safety accident;

[0040] And the opening and closing of the above-mentioned cut-off valve 5, exhaust valve 6, pressurizing valve 7 and the energized operation of the slag cleaning motor 8 are measured by the liquid level detector 18, the control components used and the automatic detection module are all prior art, and the person skilled in the art can realize it without unnecessary description, the above-mentioned components can be purchased from the market, and the person skilled in the art only needs to install and operate according to the attached instruction manual, without the creative labor of the person skilled in the art, and the content protected by the utility model does not involve the improvement of software.

[0041] Although the embodiments of the utility model have been shown and described, it can be understood by those of ordinary skill in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A high-temperature wastewater automatic recovery device, comprising a high-temperature wastewater expansion tank (1), the top end of the high-temperature wastewater expansion tank (1) is provided with a water inlet pipe (2), characterized in that: The lower part of the high-temperature wastewater expansion tank (1) is provided with a collection assembly (3), the collection assembly (3) has two high-temperature wastewater collection tanks (4), the top of the two high-temperature wastewater collection tanks (4) is provided with a cut-off valve (5) on one side, the bottom of the high-temperature wastewater expansion tank (1) is provided with a liquid discharge pipe, and the end of the liquid discharge pipe away from the high-temperature wastewater expansion tank (1) is connected with the two cut-off valves (5), The top of the high-temperature wastewater collection tank (4) is provided with an exhaust valve (6) and a pressurizing valve (7) on the two sides of the rear end, a stainless steel screen (10) is arranged on the inner bottom of the high-temperature wastewater collection tank (4), a slag sweeping motor (8) is fixedly arranged on the top of the high-temperature wastewater collection tank (4), a metal sealing element is arranged at the connection between the slag sweeping motor (8) and the high-temperature wastewater collection tank (4), a connecting rod (9) is fixedly connected to the driving shaft of the slag sweeping motor (8) and penetrates the top of the high-temperature wastewater collection tank (4), a scraping block (11) is arranged on the lower part of the outer ring of the slag sweeping motor (8), and the bottom surface of the scraping block (11) is attached to the top surface of the stainless steel screen (10), and a bypass pipe (17) is connected to one side of the high-temperature wastewater collection tank (4), and a liquid level detector (18) is arranged on the top of the bypass pipe (17).

2. The high-temperature wastewater automatic recovery device according to claim 1, characterized in that: A waste residue recovery box (12) matched with the stainless steel screen (10) is arranged on the lower part of the side of the high-temperature wastewater collection tank (4) away from the liquid level detector (18), and a residue discharge port (13) is fixedly arranged on the lower end of the waste residue recovery box (12).

3. The high-temperature wastewater automatic recovery device according to claim 1, characterized in that: An annular pipe (14) is arranged on the central part of the outer ring of the high-temperature wastewater collection tank (4), a plurality of nozzles are arranged on the inner ring of the annular pipe (14), the nozzles extend into the high-temperature wastewater collection tank (4), and a sealing ring is arranged at the connection between the nozzles and the high-temperature wastewater collection tank (4).

4. The high-temperature wastewater automatic recovery device according to claim 3, characterized in that: A water delivery pipe (16) is connected to the rear part of the outer ring of the annular pipe (14), and a water delivery electromagnetic valve (15) is arranged at the connection between the annular pipe (14) and the water delivery pipe (16).

5. The high-temperature wastewater automatic recovery device according to claim 4, characterized in that: A standby discharge port (21) is arranged on one side of the outer ring of the high-temperature wastewater expansion tank (1), and a standby water valve is arranged at the connection between the standby discharge port (21) and the high-temperature wastewater expansion tank (1).

6. The high-temperature wastewater automatic recovery device according to claim 5, characterized in that: A support plate is fixedly arranged on the bottom of the two high-temperature wastewater collection tanks (4), an electric control box (19) is arranged on one side of the top of the support plate, a self-control module is arranged in the electric control box (19), and the self-control module in the electric control box (19) is signal-connected with the cut-off valve (5), the exhaust valve (6), the pressurizing valve (7), the liquid level detector (18), the residue discharge port (13), the water delivery electromagnetic valve (15), and the standby water valve.

7. The high temperature wastewater automatic recovery device according to claim 4, characterized in that: A drainage pipe is connected to the lower part of the side of the high-temperature wastewater collection tank (4) away from the water delivery pipe (16), and a check valve (20) is arranged at the connection between the drainage pipe and the high-temperature wastewater collection tank (4).

8. The high-temperature wastewater automatic recovery device according to claim 7, characterized in that: A pressure gauge is arranged on the top of the drainage pipe, and the pressure gauge is located between the high-temperature wastewater collection tank (4) and the check valve (20).

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