CN212557659U - Tar tank drainage device - Google Patents

Abstract

The utility model provides a tar groove drainage device, including oil groove and flexible pipe, the oil groove periphery sets up the drainage device barrel, the one end of flexible pipe is fixed in the drainage device barrel, the other end of flexible pipe is located the oil groove, drainage device barrel periphery sets up actuating mechanism, actuating mechanism's motion end with flexible pipe is located the one end connection of oil groove, set up in the drainage device barrel can discern the device of tar and water, drainage device barrel sub-unit connection drainage pipe, the water piping connection suction pump. Compared with the prior art, the utility model discloses a drive mechanism, flexible pipe, suction pump and can discern the device cooperation of tar and water for flexible pipe's outlet can be accurately located more than the water and tar interface.

Description

Tar tank drainage device

Technical Field

The utility model belongs to the technical field of tar groove drainage, concretely relates to tar groove drainage device.

Background

At present chemical plant tar groove drainage all increases the outlet on the storage tank side basically, through artifical visual operation, confirm the displacement according to oil groove moisture assay result, but artifical drainage is difficult to control, the system load has been increased, when carrying out artifical drainage, the incident that leads to often discharging by mistake or leaking to arrange takes place, the phenomenon that discharges out the higher product tar of purity appears, these tars need enter into again and separate in the primary tar separator, the system load has been increased, and the separation effect of separator has been reduced, produce vicious circle. In order to solve the above problem, the patent with the application number of CN201663258. X discloses a tar storage tank dehydrator capable of automatically performing dehydration operation, which is used for automatically dehydrating a tar storage tank, and the technical scheme is as follows: the utility model selects the aluminum foil pipe with the expansion ratio of 10:1 as the dehydration pipe, the upper end of the aluminum foil pipe is provided with the dehydration funnel, the upper ends of the dehydration funnel and the aluminum foil pipe are connected with the buoy, the dehydration funnel floats on the tar liquid level, when the water level in the tar storage tank is higher than that of the dehydration funnel, water can be discharged along the dehydration funnel, the aluminum foil pipe, the bottom fixed dehydration pipe and the drainage valve, thereby playing the role of automatic dehydration; the utility model discloses simple structure, convenient to use can realize automatic dehydration operation, have reduced worker intensity of labour. Due to the adoption of the telescopic aluminum foil pipe, the dehydration can be carried out when the tar liquid level is 2m, the quality grade of the product is ensured, the production requirement is met, and the method has remarkable economic benefit. However, the above patent has a certain technical problem, the above patent utilizes the float bowl as the flexible power of flexible pipe, but because tar composition is complicated, some that exist have stickness impurity, these impurity can attach to the float bowl gradually, make the buoyancy of float bowl and the buoyancy of initial design different, lead to the float bowl can not be in the position of water and tar interface according to predetermined design in proper order, but because the attachment leads to self gravity to increase and then sink to reach below water and tar interface, can form a swirl when water is discharged from the dehydration funnel simultaneously, the swirl is unstable rotatory rivers, the fluctuation of swirl can produce the interference to dehydration funnel and near liquid, make partial tar can enter into the dehydration funnel along with the rivers together, cause the erroneous discharge of tar.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is that the flexible pipe of prior art adoption's outlet can not be accurate be located the problem above the water and tar interface, for solving above-mentioned problem, the utility model provides a tar groove drainage device adopts flexible pipe of actuating mechanism control and suction pump and can discern the device cooperation of tar and water, takes out the thing through the device that can discern tar and water to flexible pipe and carries out the real-time detection, adjusts flexible pipe's length according to the testing result for flexible pipe's outlet can be accurate to be located above the water and tar interface.

The purpose of the utility model is realized with the following mode:

the utility model provides a tar groove drainage device, includes oil groove and flexible pipe, the oil groove periphery sets up the drainage device barrel, the one end of flexible pipe is fixed in the drainage device barrel, the other end of flexible pipe is located the oil groove, drainage device barrel top sets up actuating mechanism, actuating mechanism's motion end with flexible pipe is located the one end connection of oil groove, set up the device that can discern tar and water in the drainage device barrel, drainage device barrel sub-unit connection drain pipe, the water piping connection suction pump.

The drainage device cylinder is arranged at the top of the oil groove.

The driving mechanism is an electric push rod, and the moving end of the driving mechanism is the push rod of the electric push rod.

The device capable of identifying tar and water is a float level meter.

The water discharge pipe is divided into two paths after passing through the water suction pump, one path of water discharge pipe passes through the first regulating valve to be connected with the wastewater treatment section, and the other path of water discharge pipe passes through the second regulating valve to be communicated with the upper part of the oil groove.

The top of the drainage device barrel is communicated with a water replenishing pipe, and a water replenishing valve is arranged on the water replenishing pipe.

And the drain pipe is provided with a drain valve.

The drainage device barrel top sets up the controller, first adjusting valve, second adjusting valve, water supply valve door and drainage valve all are electric valve, first adjusting valve, second adjusting valve, water supply valve door, drainage valve, electric putter, flotation pontoon boundary position meter are connected with the controller electricity respectively.

Compared with the prior art, the utility model discloses a device that sets up and to discern tar and water detects the liquid of flexible pipe extraction, liquid through judging flexible pipe extraction is water or tar and confirms the position of the outlet of flexible pipe this moment, if the liquid of flexible pipe extraction is that the outlet of oil description flexible pipe this moment is located below the interface of water and tar, if the liquid of flexible pipe extraction is that the outlet of water description flexible pipe this moment is located above the interface of water and tar, when the outlet of flexible pipe is located below the interface of water and tar the flexible pipe of actuating mechanism control upwards contracts until the liquid of flexible pipe extraction, make the outlet of flexible pipe be located above the interface of water and tar.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Wherein 1 is an oil groove; 2 is a telescopic tube; 201 is a telescopic pipe water outlet; 3 is a drainage device cylinder; 4 is an electric push rod; 5 is a push rod; 6 is a float level meter; 7 is a drain pipe; 701 is a drain valve; 8 is a water pump; 9 is a wastewater treatment pipeline; 901 is a first regulator valve; 10 is an oil return pipeline; 1001 is a second regulator valve; 11, a water replenishing pipe; 1101 is a water replenishing valve.

Detailed Description

As shown in fig. 1, the utility model provides a tar tank drainage device, which comprises an oil tank 1 and a telescopic pipe 2, wherein the oil tank 1 is a tank body for storing water and tar, and has good sealing performance, so that the water and tar stored therein can not leak; the telescopic pipe 2 is a pipeline with good telescopic performance, the length and the telescopic ratio of the telescopic pipe 2 need to be matched with the height of the oil groove 1 and the maximum value and the minimum value of the storage capacity of the oil groove 1, so that the telescopic pipe 2 can reach the vicinity of a water and tar interface after being stretched when the storage capacity of the oil groove 1 is at the maximum value and the minimum value, the condition that the telescopic pipe 2 cannot reach a working position due to the length problem cannot occur, and the caliber of the telescopic pipe 2 is selected according to the actual working requirement; the periphery of the oil groove 1 is provided with the drainage device cylinder 3, the drainage device cylinder 3 is of a hollow structure in the center of a cylinder body formed by the side wall of the cylinder body, the upper end surface of the cylinder body and the lower end surface of the cylinder body, the center of the drainage device cylinder 3 is hollow, so that the inside of the drainage device cylinder 3 is provided with a space with a proper size for placing other equipment, and meanwhile, the drainage device cylinder 3 needs to have good sealing performance, so that when water or tar is stored in the drainage device cylinder 3, the condition of water or tar leakage cannot occur; one end of the telescopic pipe 2 is fixed in the drainage device cylinder 3, the other end of the telescopic pipe passes through the bottom surface of the drainage device cylinder 3 and then is positioned in the oil groove 1, one end of the telescopic pipe 2 is arranged in the drainage device cylinder 3 in a fixed connection mode, so that one end of the telescopic pipe 2 positioned in the drainage device cylinder 3 cannot be separated from the drainage device cylinder 3, the fixing mode is selected according to actual conditions, one end of the telescopic pipe 2 can be fixedly connected with the bottom surface of the drainage device cylinder 3 through a support, one end of the telescopic pipe 2 can also be fixedly connected with the side wall of the drainage device cylinder 3 through a support rod, the other end of the telescopic pipe 2 enters the oil groove 1 after passing through the upper end surface of the oil groove 1, and the telescopic pipe 2 can extend from the upper part of the oil groove 1; the periphery of the drainage device cylinder 3 is provided with a driving mechanism which is fixedly connected with the surface of the drainage device cylinder 3, the driving mechanism can drive the moving end of the driving mechanism to move, the moving end of the driving mechanism is connected with one end of the telescopic pipe 2 positioned in the oil groove 1, the moving end of the driving mechanism extends into the drainage device cylinder 3 from the position where the drainage device cylinder 3 is contacted with the driving mechanism, the moving end of the driving mechanism extends into the drainage device cylinder 3 and then continues to extend downwards into the extension tube 2, so that the moving end of the driving mechanism can move in the drainage device cylinder 3 and the telescopic pipe 2, when the moving end of the driving mechanism moves, one end of the telescopic pipe 2 positioned in the oil groove 1 can be driven to move synchronously, and finally the telescopic pipe 2 can extend and shorten along with the movement of the moving end of the driving mechanism; the device capable of identifying tar and water is arranged in the drainage device cylinder 3, corresponding sensors or equipment are selected according to different densities or different resistances or different physical and chemical properties of the water and the tar, the water and the tar are identified, judged or detected by distinguishing the physical or chemical properties of the water and the tar, and the water and the tar are distinguished by the device capable of identifying the tar and the water according to the principle; the lower part of the drainage device cylinder 3 is connected with a drainage pipe 7, the drainage pipe 7 is communicated with the inside of the drainage device cylinder 3, the position of the drainage pipe 7 is close to the bottom of the drainage device cylinder 3 as much as possible on the premise of not influencing the normal operation of other equipment, and the optimal condition is that the pipeline of the drainage pipe 7 is flush with the bottom surface of the drainage device cylinder 3, so that water or tar in the drainage device cylinder 3 can completely enter the drainage pipe 7; drain pipe 7 is connected with suction pump 8, and suction pump 8 possesses one and advances one each one of the mouth of taking out water, the water discharge nozzle to can continuously form vacuum or negative pressure in import department, the mouth of exhausting forms the pressure-fired, makes drain pipe 7 normal water or tar can be taken away by suction pump 8 through setting up suction pump 8, and then realizes the effect of drainage or row tar.

Under the optimal condition, the top of the oil tank 1 is provided with the drainage device cylinder 3, when the lower end surface of the drainage device cylinder 3 and the upper end surface of the oil tank 1 are both in a horizontal structure and can be well attached, the lower end surface of the drainage device cylinder 3 is directly and fixedly connected onto the upper end surface of the oil tank 1, when the lower end surface of the drainage device cylinder 3 and the upper end surface of the oil tank 1 cannot be well attached, the fixed connection relation between the drainage device cylinder 3 and the oil tank 1 can be realized by selecting a support fixing mode and the like, so that the drainage device cylinder 3 can be stably arranged at the top of the oil tank 1, because the density of tar is greater than that of water, the water is positioned above the tar, when the drainage device cylinder 3 is arranged at the top of the oil tank 1, the telescopic pipe 2 can more conveniently reach above a water and tar interface, and a part of the telescopic, the corrosion of various substances in the tar to the extension tube 2 is avoided, and the normal extension of the extension tube 2 is prevented from being influenced by the deposition of impurities in the tar on the extension tube 2; because the drainage device barrel 3 is located the top of oil groove 1, the tar in the oil groove 1 can not submerge the oil groove 1 and the telescopic pipe 2 generally, the corrosion of the tar to the contact position is reduced, and the difficulty of the sealing treatment work is reduced.

The top of the drainage device cylinder 3 is provided with an electric push rod 4, the electric push rod 4 is fixedly connected on the upper end surface of the drainage device cylinder 3, the electric push rod 4 comprises a driving motor, a reduction gear, a screw rod, a nut, a guide sleeve, a push rod 5, a sliding seat, a spring, a shell, a worm wheel, a micro control switch and the like, one end of the push rod 5 of the electric push rod 4, which is far away from the motor, is connected with one end of the telescopic pipe 2, which is positioned in the oil groove 1, the push rod 5 of the electric push rod 4 extends into the drainage device cylinder 3 from the top of the drainage device cylinder 3, the push rod 5 of the electric push rod 4 extends into the drainage device cylinder 3 and then continues to extend downwards into the telescopic pipe 2, so that the push rod 5 of the electric push rod 4 can move in the drainage device cylinder 3 and the telescopic pipe 2, and further, when the push rod 5 of, finally, the extension tube 2 can extend and shorten along with the movement of the push rod 5 of the electric push rod 4; the electric push rod has the advantages of simple structure, easy maintenance, proper price and low economic cost.

The device that can discern tar and water is flotation pontoon boundary position meter 6, because the difference of the density of water and tar, and then leads to the flotation pontoon to receive buoyancy also different in different liquid, through the detection of flotation pontoon boundary position meter 6 to buoyancy according to above-mentioned principle and then realize distinguishing water and tar, selects the flotation pontoon boundary position meter 6 of different models according to the actual production condition, and this patent inventor has adopted the model to realize good detection effect for CP18-H2C3 iRLD's intelligent flotation pontoon boundary position meter 6 in actual production.

The water discharge pipe 7 is divided into two paths after passing through the water suction pump 8, one path is connected with a wastewater treatment section through a first adjusting valve 901, the path is a wastewater treatment pipeline 9, the other path is communicated with the upper part of the oil tank 1 through a second adjusting valve 1001, the path is an oil return pipeline 10, wherein the wastewater treatment pipeline 9 provided with the first adjusting valve 901 can discharge water pumped by the water suction pump 8 in the water discharge pipe 7 into the wastewater treatment section of the next process to finish water discharge work, the oil return pipeline 10 provided with the second adjusting valve 1001 can re-convey tar pumped by the water suction pump 8 into the oil tank 1 to finish tar recovery work and avoid tar leakage discharge, the first adjusting valve 901 and the second adjusting valve 1001 are required to be matched when the two paths of pipelines carry out actual work, when the wastewater treatment pipeline 9 carries out water discharge work, the first adjusting valve 901 is opened, the second adjusting valve 1001 is closed, so that water can be discharged to the wastewater treatment section of the next process along the wastewater treatment pipeline 9 without flowing along the oil return pipeline 10, when the oil return pipeline 10 performs tar recovery work, the first regulating valve 901 is closed, and the second regulating valve 1001 is opened, so that tar can be conveyed to the oil tank 1 again along the oil return pipeline 10 without flowing along the wastewater treatment pipeline 9 to cause tar discharge by mistake.

Under the better condition, a water replenishing pipe 11 is communicated with the top of the drainage device cylinder 3, a water replenishing valve 1101 is arranged on the water replenishing pipe 11, the water replenishing pipe 11 can replenish water for the drainage device cylinder 3, water in the water replenishing pipe 11 is supplied from a general water supply system or manually for the water replenishing pipe 11, when the drainage device of the oil tank 1 is not operated for a long time, the inside of the drainage device cylinder 3 may lack water, at the moment, if the water suction pump 8 is operated directly, the water suction pump 8 cannot directly pump water from the drainage device cylinder 3 through the drainage pipe 7, so that the water suction pump 8 idles, at the moment, the water replenishing valve 1101 is opened to enable the water replenishing pipe 11 to fill water into the drainage device cylinder 3, air in the cylinder is discharged, the idling condition of the water suction pump 8 is avoided, and the water suction pump 8 can be in a normal working state as soon as possible.

Further set up drain valve 701 on drain pipe 7, when oil groove 1 drainage device abnormal conditions appeared, above-mentioned abnormal conditions include but not limited to the condition that first adjusting valve 901, second adjusting valve 1001 broke down, the condition that leaks appeared in the seal structure damage of suction pump 8, during the condition that oil return pipeline 10 or waste water treatment pipeline 9 leaked, can in time close drain valve 701 and prevent that tar and water in the oil groove 1 from being by unrestricted continuous discharge, and then cause pollution and economic loss.

The tar tank drainage device further comprises a controller, the first adjusting valve 901, the second adjusting valve 1001, the water replenishing valve 1101 and the drainage valve 701 are all electric valves, the first adjusting valve 901, the second adjusting valve 1001, the water replenishing valve 1101, the drainage valve 701, the electric push rod 4 and the buoy boundary position meter 6 are respectively and electrically connected with the controller, the first adjusting valve 901, the second adjusting valve 1001, the water replenishing valve 1101 and the drainage valve 701 select the electric valves to avoid the manpower consumption of manually opening and closing the valves, meanwhile, the first adjusting valve 901, the second adjusting valve 1001, the water replenishing valve 1101 and the drainage valve 701 are respectively and electrically connected with the controller, all the valves can be controlled by the controller without manual operation of opening and closing the valves each time, the buoy boundary position meter 6 is electrically connected with the controller, so that the controller can obtain the detection information of the buoy boundary position on whether the liquid in the drainage device cylinder 3 is water or tar and transmit the detection information to the controller, provides reference for other operations of the controller, the electric push rod 4 is electrically connected with the controller so that the controller can control the extension and contraction of the electric push rod 4, further realizing the adjustment of the length of the extension tube 2, the first adjusting valve 901, the second adjusting valve 1001, the water supplementing valve 1101, the water drainage valve 701, the electric push rod 4 and the float interface level meter 6 are respectively and electrically connected with the controller to form an overall automatic technical scheme, the controller is electrically connected with the controller according to the information detected by the float level gauge 6 so that the controller can control the electric push rod 4 to extend and retract, further realizing the adjustment of the length of the extension tube 2, adjusting the running states of the first adjusting valve 901, the second adjusting valve 1001, the water replenishing valve 1101, the water draining valve 701 and the electric push rod 4, so that the drainage device of the oil tank 1 can be operated without manual automation, and the water in the oil tank 1 can be automatically drained.

The working process of the utility model is as follows:

when the oil groove 1 needs to be dewatered according to production arrangement, the controller starts the buoy boundary level meter 6 to detect the interior of the drainage device cylinder 3, judges whether liquid exists in the drainage device cylinder 3, controls the water replenishing valve 1101 to open to replenish water to the drainage device cylinder 3 if no liquid exists in the drainage device cylinder 3, starts the electric push rod 4 if liquid exists in the drainage device cylinder 3, moves the push rod 5 of the electric push rod 4 downwards, enables the extension tube 2 to move downwards along with the movement of the push rod 5 as the push rod 5 is connected with one end of the extension tube 2 in the oil groove 1, extends the extension tube 2 to a set longest state under the action of the electric push rod 4, opens the drainage valve 701 at the moment, opens the second adjusting valve 1001, closes the first adjusting valve 901, starts the water suction pump 8, starts the buoy boundary level meter 6, at the moment, liquid in the oil groove 1 passes through the telescopic pipe 2 and is pumped to the drainage device cylinder 3 by the water pump 8, then flows through the water pump 8 through the drain pipe 7 and then enters the oil groove 1 again through the oil return pipeline 10, in the process, the buoy boundary level meter 6 continuously detects the liquid in the drainage device cylinder 3, when the detection result of the liquid in the drainage device cylinder 3 is tar, the controller controls the electric push rod 4 to move upwards, the electric push rod 4 drives the telescopic pipe 2 to move upwards synchronously, meanwhile, the water pump 8 always pumps the liquid from the oil groove 1, the buoy boundary level meter 6 continuously detects the liquid in the drainage device cylinder 3, the process is a tar displacement stage, the main purpose is to adjust the telescopic pipe 2, so that the water outlet 201 of the telescopic pipe 2 can be positioned in an area where water exists on the upper side of a water and tar interface in the oil groove 1, the tar displacement stage is continuously carried out until the result of the detection of the buoy interface level meter 6 on the liquid in the drainage device cylinder 3 is water, at this time, the drainage stage is carried out, the controller controls the electric push rod 4 to stop running in the drainage stage, at this time, the telescopic pipe 2 is positioned in the oil groove 1, the telescopic pipe water outlet 201 is positioned above the interface of water and tar in the oil groove 1, the controller controls the drainage valve 701 to be continuously opened, the water suction pump 8 continues to work, the buoy interface level meter 6 is started, the second adjusting valve 1001 is closed, the first adjusting valve 901 is opened, at this time, the water in the oil groove 1 enters the drainage device cylinder 3 through the telescopic pipe 2 under the action of the water suction pump 8, then enters the drainage pipe 7 and enters the wastewater treatment pipeline 9 after passing through the water suction pump 8, and is finally discharged to the wastewater treatment section of the next process, and.

In the process, the float level gauge 6 continuously detects the liquid in the drainage device cylinder 3, and if the detection result is tar, the tar replacement stage is entered again to prevent the tar from being discharged by mistake. When the drainage device of the oil tank 1 is in an abnormal condition and needs to be closed emergently, the controller controls the drainage valve 701 to be closed, so that tar and water are prevented from being continuously discharged under the abnormal condition.

While the preferred embodiments of the present invention have been described, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the general inventive concept, and it is intended to cover all such changes and modifications as fall within the true spirit and scope of the invention.

Claims (8)

1. The utility model provides a tar groove drainage device, includes oil groove and flexible pipe, its characterized in that: the oil groove periphery sets up the drainage device barrel, the one end of flexible pipe is fixed in the drainage device barrel, the other end of flexible pipe is located the oil groove, drainage device barrel periphery sets up actuating mechanism, actuating mechanism's motion end with flexible pipe is located the one end connection in the oil groove, set up the device that can discern tar and water in the drainage device barrel, drainage device barrel sub-unit connection drainage pipe, the drain pipe is connected the suction pump.

2. The tar tank drainage device according to claim 1, wherein: the drainage device cylinder is arranged at the top of the oil groove.

3. The tar tank drainage device according to claim 1, wherein: the driving mechanism is an electric push rod, and the moving end of the driving mechanism is the push rod of the electric push rod.

4. The tar tank drainage device according to claim 1, wherein: the device capable of identifying tar and water is a float level meter.

5. The tar tank drainage apparatus according to any one of claims 1 to 4, wherein: the water discharge pipe is divided into two paths after passing through the water suction pump, one path of water discharge pipe passes through the first regulating valve to be connected with the wastewater treatment section, and the other path of water discharge pipe passes through the second regulating valve to be communicated with the upper part of the oil groove.

6. The tar tank drainage device according to claim 5, wherein: the top of the drainage device barrel is communicated with a water replenishing pipe, and a water replenishing valve is arranged on the water replenishing pipe.

7. The tar tank drainage device according to claim 6, wherein: and the drain pipe is provided with a drain valve.

8. The tar tank drainage device according to claim 7, wherein: the drainage device barrel top sets up the controller, first adjusting valve, second adjusting valve, water supply valve door and drainage valve all are electric valve, first adjusting valve, second adjusting valve, water supply valve door, drainage valve, electric putter, flotation pontoon boundary position meter are connected with the controller electricity respectively.

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