CN210206015U

CN210206015U - Sludge solid-liquid separation integrated device

Info

Publication number: CN210206015U
Application number: CN201920302583.1U
Authority: CN
Inventors: Liang Sun; 孙亮; Likun Jing; 景立琨
Original assignee: Suzhou Aixin Engineering Technology Co Ltd
Current assignee: Xi'an Yuanbang Juliang Industrial Co.,Ltd.
Priority date: 2019-03-11
Filing date: 2019-03-11
Publication date: 2020-03-31
Anticipated expiration: 2029-03-11

Abstract

The utility model discloses a mud solid-liquid separation integrated device, include: the device comprises a stirring tank, a slurry pump, a filter press, a conveying belt and a skid-mounted chassis. The stirring tank is provided with a stirrer; the mud pump is connected with the stirring tank through a first pipeline and used for pumping the stirred sludge in the stirring tank through the first pipeline; the filter press is connected with the slurry pump through a second pipeline and is provided with a filtrate pressure discharge pipe; the conveying belt is fixedly arranged below the filter press and is used for conveying solid materials generated in the filter pressing process of the filter press; the stirring tank, the slurry pump, the filter press and the conveying belt are all fixedly arranged on the skid-mounted underframe. The sludge solid-liquid separation integrated device realizes rapid solid-liquid separation of sludge on an operation site, and improves the site operation efficiency. And through sled dress chassis for this mud solid-liquid separation equipment forms the structure of integral type, and the mobility is strong, need not the secondary and transports, has saved the removal work load.

Description

Sludge solid-liquid separation integrated device

Technical Field

The utility model relates to an industrial equipment field especially relates to a mud solid-liquid separation integrated device.

Background

In various geological operations such as oil exploration and development, sludge containing crude oil is often generated. For example, in operations such as oil drilling, crude oil often falls to the ground, and sludge containing components such as crude oil often exists in containers such as a clean tank, a settling tank, and a sewage tank. The sludge contains oil, can not be directly discharged due to the requirements of environmental protection and the like, and needs to be correspondingly treated, thereby meeting the requirement of environmental protection.

When sludge is treated, the most important step is to separate solid substances and liquid substances such as moisture and oil in the sludge, and then further treat the separated substances.

Therefore, how to carry out rapid solid-liquid separation on the sludge becomes a problem to be solved urgently in the industry.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a mud solid-liquid separation integrated device can be swift at the operation scene carry out solid-liquid separation to mud, accomplishes the preliminary treatment to mud.

The embodiment of the utility model provides a mud solid-liquid separation integrated device, include:

the stirring tank is provided with a stirrer, and the stirrer is used for stirring the sludge in the stirring tank;

the mud pump is connected with the stirring tank through a first pipeline, and the mud pump pumps the stirred sludge in the stirring tank through the first pipeline;

the filter press is connected with the mud pump through a second pipeline and provided with a pressure filtrate liquid discharge pipe, and the pressure filtrate liquid discharge pipe is used for discharging liquid generated in the filter pressing process of the filter press;

the conveying belt is fixedly arranged below the filter press and is used for conveying solid materials generated in the filter pressing process of the filter press;

the stirring tank, the slurry pump, the filter press and the conveying belt are fixedly arranged on the skid-mounted underframe.

Optionally, the mud pump is a double-cylinder double-acting mud pump;

the mud pump is connected with a target container through a third pipeline, sludge to be treated is stored in the target container, and the mud pump is used for extracting the sludge in the target container and transmitting the sludge to the stirring tank through a fourth pipeline connected with the stirring tank.

Optionally, the first pipeline, the second pipeline, the third pipeline and the fourth pipeline are all provided with electric control valves, and the electric control valves are used for controlling the on-off of the pipelines.

Optionally, the integrated sludge solid-liquid separation device further comprises a controller. The controller is respectively connected with the stirrer, the slurry pump, the filter press and the electric control valve.

Optionally, the agitator tank is provided with a liquid level meter, the liquid level meter is connected with the controller, the liquid level meter is used for monitoring the sludge liquid level of the agitator tank, and when the sludge liquid level reaches a preset position, the controller sends a preset signal.

Optionally, the integrated sludge solid-liquid separation device further comprises a flowmeter, and the flowmeter is installed on the third pipeline.

Optionally, the filter press comprises a filter pressing chamber and a hydraulic pump, the hydraulic pump is connected with the filter pressing chamber, and the filter pressing chamber is connected with the mud pump through the second pipeline;

and filter cloth is arranged in the filter pressing chamber.

Optionally, the filter cloth is a liquid phase permeable filter cloth.

Optionally, the sludge solid-liquid separation integrated device further comprises an outer cover shell, the outer cover shell is mounted on the skid-mounted chassis, and the stirring tank, the slurry pump, the filter press and the conveying belt are all arranged inside the outer cover shell.

Optionally, the housing is a rectangular housing structure, and at least one side plate of the rectangular housing structure has a hinge structure or a sliding connection structure.

The utility model provides a pair of mud solid-liquid separation integrated device, include: the device comprises a stirring tank, a slurry pump, a filter press, a conveying belt and a skid-mounted chassis. The sludge is fully stirred in the stirring tank, then the sludge pump extracts the sludge from the stirring tank and transmits the sludge to the filter press, and the filter press performs filter pressing on the sludge, so that solid materials and liquid in the sludge are separated from each other. The solid materials fall into the conveyer belt and are conveyed to a designated area through the conveyer belt, and the liquid flows out through a pressure filtrate liquid discharge pipe arranged on the pressure filter in the pressure filtration process. Thereby realizing the rapid solid-liquid separation of the sludge on the operation site. The field operation efficiency is improved. And parts such as agitator tank, slush pump, pressure filter, conveyer belt all install in sled dress chassis, make the embodiment of the utility model provides a mud solid-liquid separation equipment forms the structure of integral type. The movable trolley can be directly and integrally transported to an operation site, assembly operation is not needed on the operation site, the movable trolley is high in mobility, secondary transportation is not needed, only one trolley is needed for pulling, and moving workload is saved.

Drawings

Fig. 1 is a front view of a first structure of a sludge solid-liquid separation integrated device provided by an embodiment of the present invention.

Fig. 2 is a top view of a first structure of the integrated sludge solid-liquid separation device according to an embodiment of the present invention.

Fig. 3 is a front view of a second structure of the integrated sludge solid-liquid separation device according to an embodiment of the present invention.

Fig. 4 is a side view of a second structure of the integrated sludge solid-liquid separation device according to an embodiment of the present invention.

Detailed Description

In order to make the technical solution of the present invention better understood by those skilled in the art, the present invention will be further described in detail with reference to the accompanying drawings.

Referring to fig. 1 and fig. 2, fig. 1 is a first structural diagram of a sludge solid-liquid separation integrated device provided by an embodiment of the present invention. Which comprises the following steps:

the stirring tank 101, the stirrer 111 is installed on the stirring tank 101, and the stirrer 111 is used for stirring the sludge in the stirring tank 101.

The stirring tank 101 is a rectangular or cylindrical tank body, and sludge to be treated is stored in the stirring tank 101. The agitator 111 includes a driving motor and an agitation portion. The driving motor is connected with the stirring part. The stirring section is installed inside the stirring tank 101, and is driven by the driving motor to stir the sludge in the stirring tank 111 by rotation.

In practical application, sludge to be treated is added into the stirring tank, then chemical drugs such as demulsifiers, flocculants and the like which are well placed are added into the stirring tank 101, and the drugs and the sludge are fully reacted by stirring of the stirrer 111, so that the sludge is subjected to reactions such as demulsification, flocculation and the like. The embodiment of the utility model provides an in, can also increase heating element such as heating zone in the agitator tank 101 outside to in stirring process, heating mud, further promoting the efficiency of reactions such as breakdown of emulsion, flocculation, the main objective of breakdown of emulsion destroys the water-in-oil type emulsion, promotes water oil separating. The flocculant can concentrate solid substances in the sludge, and is favorable for solid-liquid separation.

After stirring for a certain period of time, the sludge can be kept still in the stirring tank 101, so that the sludge in the stirring tank 101 is divided into three layers of oil, water and sludge for subsequent treatment. For example, the upper layer of the contaminated oil and gum may be extracted, and the middle layer of the free water may be extracted, stored and treated separately. The excess sludge is then treated, for example by extracting the sludge, and subjected to a solid-liquid separation operation.

And the mud pump 102 is connected with the stirring tank 101 through a first pipeline, and the mud pump 102 pumps the stirred mud in the stirring tank 101 through the first pipeline.

The mud pump 102 is used to pump the sludge in the stirring tank 101 and transfer the sludge to the filter press 103. The first pipe may be one or more circular or rectangular pipes, and the first pipe may be connected to the bottom of the agitation tank 101, so that the sludge in the agitation tank 101 may be more conveniently extracted.

And the filter press 103 is connected with the mud pump 102 through a second pipeline, and the filter press 103 is provided with a pressure filtrate discharge pipe 121, and the pressure filtrate discharge pipe 121 is used for discharging liquid generated in the filter pressing process of the filter press 103.

The filter press 103 is a filter press apparatus capable of achieving pressurization and solid-liquid separation. The mud pump 102 is connected to the filter press 103 via a second line. Thereby, the sludge drawn from the agitation tank 101 is charged into the filter press machine 103.

The filter press 103 includes a filter press chamber 122 and a hydraulic pump 123, the hydraulic pump 123 is connected to the filter press chamber 122, and the filter press chamber 122 is connected to the mud pump 102 through a second pipe.

The filter press chamber 122 is provided with filter cloth therein. In particular, the filter cloth may be a liquid phase infiltration filter cloth.

The filter press chamber 122 is a closed filter press chamber formed by every two adjacent filter plates. There may be one or more press filtration chambers. The hydraulic pump 123 may be a hydraulic pump station, and a piston of a hydraulic cylinder of the hydraulic pump 123 may push a pressing plate of the filter pressing chamber 122, for example, a first filter plate of a first filter pressing chamber is pushed tightly. The filter press chamber 122 is provided with a liquid phase permeable filter cloth therein. Under the action of the hydraulic pump 123, a pressure difference is formed between two sides of the filter cloth, thereby realizing solid-liquid separation.

Specifically, the step of performing solid-liquid separation on the sludge by the filter press 103 is as follows:

in step 1, the slurry pump 102 pumps sludge through a first pipe and feeds the sludge into the filter pressing chamber 122 of the filter press 103 through a second pipe while the agitation tank 101 is agitating. For example, the sludge is delivered to the feedhole of the tail plate of the filter press chamber 122 until the filter press chamber 122 is filled with slurry.

And 2, after the filter pressing chamber 122 is filled with the slurry, the filter pressing process is started, and the slurry is subjected to solid-liquid separation by virtue of the pressure of the hydraulic pump 123. At the initial stage of filter pressing, the filter cake thickness of the filter pressing chamber 122 is not large, the resistance of the filter cake is small, and the dehydration speed is high. And (3) increasing the resistance along with the increase of the thickness of the filter cake, stopping feeding according to the specified filter pressing time of the slurry, and finishing the filter pressing process. And the liquid filtered by pressure flows out through the pressure filtrate liquid discharge pipe 121. For example, it may be returned to a receptacle such as a lagoon.

And 3, filling high-pressure water into each hollow filter plate, and performing secondary squeezing to separate the filter plate from the filter cloth.

And 4, controlling the mud pump 102 to retract, releasing the filter plate, and retracting the head plate to the original position. The filter cake falls off by itself.

The conveyer belt 104 is fixedly arranged below the filter press 103 and used for conveying solid materials generated in the filter pressing process of the filter press 103.

After the filter press 103 is subjected to filter pressing, various types of solid materials such as silt can be generated, and the solid materials exist in the form of filter cakes. After falling out of the filter press 103, the solid material can fall onto the conveyor belt 104. The conveyor belt 104 includes a drive device such as a conveyor belt and a motor. Under the drive of the driving device, the conveying belt can drive the solid materials to move and transmit the solid materials to a preset position. For example, the embodiment of the utility model provides a rear end of mud solid-liquid separation integrated device is provided with storage container, and solid material can remove to this storage container through the transmission of conveyer belt 104 in to corresponding packing transportation and processing.

The skid-mounted chassis 105, the stirring tank 101, the slurry pump 102, the filter press 103 and the conveyer belt 104 are all fixedly mounted on the skid-mounted chassis 105.

The skid-mounted underframe 105 is a rectangular frame structure, can be formed by welding various profiles, and is integrally a rectangular or irregular rectangular underframe.

A plurality of mounting holes or bar-shaped holes are formed in the skid-mounted chassis 105, and the stirring tank 101, the slurry pump 102, the filter press 103 and the conveyor belt 104 are mounted on the skid-mounted chassis 105, and are correspondingly connected and assembled on the skid-mounted chassis 105.

Through this sled dress chassis, make the utility model provides a mud solid-liquid separation equipment forms the structure of integral type. Can accomplish the final assembly at production or equipment scene such as mill, then direct whole transportation to the operation scene, carry out simple debugging back, can put into use, need not assemble the operation at the operation scene, the mobility is strong, need not the secondary and transports, only needs a platform truck to pull the fortune, has saved the removal work load.

The embodiment of the utility model provides a mud solid-liquid separation integrated device, can be convenient carry out solid-liquid separation to mud, improved the site operation efficiency.

The above embodiments are combined to further improve the product performance, so that the product can better adapt to the requirements of an operation field. In the sludge solid-liquid separation integrated device provided by the embodiment of the present invention, preferably, the mud pump 102 is a double-cylinder double-acting mud pump. The double-cylinder double-acting slurry pump has the functions of pumping and pressurizing; and has at least two inlets and two outlets, the mud pump 102 can be operated differently by opening or closing different inlets or outlets. In practice, the mud pump 102 may be implemented as an oil pressure ram, dual acting mud pump.

Since the double-cylinder double-acting slurry pump has at least two inlets and two outlets, the slurry pump 102 is connected with the stirring tank 101 and the filter press 103 through the first passage and the second passage respectively. The mud pump 102 may be further connected to a target container storing sludge to be treated through a third pipe, and the mud pump 102 is configured to pump the sludge from the target container and transfer the sludge to the agitator tank 101 through a fourth pipe connected to the agitator tank 101.

The target container can be easy for the operation site to contain the sludge to be treated. For example, it may be a sewage pool or the like in a drilling work site. When the embodiment of the utility model provides a mud solid-liquid separation integrated device accomplishes the on-the-spot installation back, can pass through the third pipeline for target containers such as effluent water sump are connected with slush pump 102. Thereby allowing the mud pump 102 to pump sludge from the target vessel. Meanwhile, the mud pump 102 may be connected to the agitator tank 101 through a fourth pipe. The fourth conduit may be disposed above the agitator tank 101. The mud pump extracts the sludge in the target container and may inject the sludge into the agitation tank 101 through the fourth pipe.

In practical application, in order to realize the control to each pipeline break-make the embodiment of the utility model provides an in, electric control valve is all installed to first pipeline, second pipeline, third pipeline and fourth pipeline, and electric control valve is used for controlling the break-make of pipeline.

The electric control valve is a valve which can realize automatic control, is arranged on a pipeline and can control the on-off of the pipeline.

The electrically controlled valves installed on the third and fourth pipes are opened and the electrically controlled valves on the first and second pipes are closed. At this time, the sludge in the target container such as the wastewater tank can be injected into the agitation tank 101 through the third pipe and the fourth pipe by the mud pump 102. The injected sludge to be treated is then stirred by the stirring tank 101.

The electrically controlled valves on the third and fourth conduits are closed and the electrically controlled valves on the first and second conduits are opened. At this time, the sludge stirred in the stirring tank 101 is extracted by the mud pump 102. And is input into the filter press 103. The solid-liquid separation is realized by pressure filtration through a pressure filter 103.

With reference to the above embodiments, the integrated sludge solid-liquid separation apparatus provided by the embodiment of the present invention may further include a controller 106. And a controller 106 which is respectively connected with the stirrer 111, the slurry pump 102, the filter press machine 103 and each electric control valve.

In order to realize the automation degree of the process, a controller 106 may be added to the integrated sludge solid-liquid separation device provided by the embodiment of the present invention. Controller 106 is also mounted on skid-mounted undercarriage 105. And are connected to the agitator 111, the slurry pump 102, the filter press 103, and the respective electrically controlled valves by means of control cables, data buses, or the like.

The controller 106 may be a hardware device or logic circuitry with data processing capabilities. For example, the present invention may be in various forms such as a single chip microcomputer, a logic circuit including a CPU, and an FPGA (Field-Programmable Gate Array). Meanwhile, the controller 106 may further include a power supply component, such as a power distribution cabinet, a small diesel generator, a transformer, etc., so as to provide necessary working power for the components such as the agitator 111, etc.

In the embodiment of the present invention, the controller 106 may adopt a logic circuit formed by a plurality of relays, change-over switches, and other electronic components. The manual control can be carried out through control buttons on the control panel. The corresponding electric circuit is designed in an explosion-proof way, an emergency switch is arranged on the control panel, and when the operation fails, the power supply of the device is disconnected by operating the emergency switch so as to ensure safety. Specifically, the design method of the logic circuit belongs to the prior art, and is not described herein again.

The controller 106 may be manually operated or under the control of an internal preset program to control the start, stop and operation of the agitator 111, the mud pump 102, the filter press 103 and the conveyor 104. And the electric control valves on the pipelines are opened or closed according to different working condition requirements. Thereby switching between different operating states of the mud pump 102.

Combine each above-mentioned embodiment, it is optional in the integrated device of sludge solid-liquid separation that the embodiment of the utility model provides an in, the agitator tank 101 installs level gauge 112, and level gauge 112 is connected with controller 106, and level gauge 112 is used for monitoring agitator tank 101's mud liquid level, when mud liquid level reachs the preset position, sends preset signal to controller 106.

The liquid level meter 112 may be a magnetostrictive liquid level meter and is installed on the top of the stirring tank 101. The liquid level of the sludge in the stirring tank 101 can be monitored in real time.

The preset positions may include at least a lower limit and an upper limit of the sludge level.

When the sludge in the stirring tank 101 reaches the lower limit, the level meter 112 may send a first preset signal to the controller 106, and after receiving the first preset signal, the controller 106 may control the stirrer 111 to stop stirring. And the electric control valves on the third channel and the fourth channel are opened, and simultaneously the mud pump 102 is opened to inject the sludge in the target container such as a sewage tank into the stirring tank 101.

When the sludge in the agitator tank 101 reaches the upper limit, the level gauge 112 may send a second preset signal to the controller 106, and after receiving the second preset signal, the controller 106 may close the electrically controlled valves on the third and fourth channels while stopping the mud pump 102.

The first preset signal and the second preset signal may be electric signals in various forms such as voltage pulse signals, and various signal forms in the prior art may be applied to the embodiment of the present invention as long as they can be received and identified by the controller 106.

In the embodiment of the present invention, the liquid level condition of the sludge in the stirring tank 101 can be timely monitored by the liquid level meter 112. And automatically sends a preset signal to the controller 106 when the liquid level is at the upper or lower limit. The controller 106 can control the components such as the electric control valve and the like differently according to different preset signals, so that the automation level is further improved, and the workload among field operators is reduced.

With the above embodiments, it is optional that the integrated sludge solid-liquid separation apparatus provided in the embodiments of the present invention may further include: and a flow meter, which may be mounted to the third conduit.

A flow meter is a sensor device that detects the flow of a substance in a conduit. The instantaneous flow and the cumulative flow can be recorded. In practical use, various types of existing flow meters can be used. As long as can satisfy the functional requirements in the embodiment of the present invention, then all can be applied to the embodiment of the present invention, specific specification parameters are not limited herein.

The flowmeter can be arranged on different pipelines according to different requirements, so that the material flow in different pipelines can be detected. In the embodiment of the present invention, in order to monitor and record the suction amount of the sludge, it is preferable to install the flow meter in the third pipeline. So that when the mud pump 102 pumps the sludge in the target vessel such as a lagoon through the third conduit, the flow meter can accurately record the instantaneous flow rate and the cumulative flow rate of the sludge passing through the third conduit. Therefore, the whole operation process is better monitored, and accurate original data are obtained for statistics of related data of solid-liquid separation of sludge.

In practical application, the oil drilling and other operation fields are all open air environments in the field by combining the above embodiments. So in order to improve the embodiment of the utility model provides a protection level of mud solid-liquid separation integrated device avoids impurity such as rainwater dust to cause bad influence to each part. Referring to fig. 3 and 4, the integrated sludge solid-liquid separation device provided in the embodiment of the present invention further includes an outer cover shell 107.

The casing 107 is mounted on the skid-mounted base 105, and the agitation tank 101, the slurry pump 102, the filter press 103, and the conveyor 104 are all disposed inside the casing 107.

As shown in fig. 3 and 4, the housing case 107 has a rectangular hollow case structure, and the bottom surface of the case is attached to the housing case 107 and is detachably and fixedly connected to the housing case 107. The mixing tank 101, the slurry pump 102, the filter press 103 and the conveyor belt 104 are all located in the enclosed space formed by the housing shell 107 and the skid-mounted chassis 105. So that foreign substances such as rainwater and dust from the outside cannot enter the inside of the housing case 107.

A mounting hole for a pipeline is reserved on the housing, and a third pipeline can pass through the mounting hole so as to be connected with a target container such as a sewage pool.

The housing case 107 may be formed by connecting various plates such as stainless steel plates to each other by means of hinge, welding, or the like. Alternatively, a metal material such as a sheet iron may be laid on the frame of the profile. The specific shape and structure can be designed according to actual needs, and is not limited herein.

The embodiment of the utility model provides a when the actual application, it is right sometimes to need the utility model provides a part such as parts such as controller carry out manual operation in the integrative device of mud solid-liquid separation in the individual part, perhaps need overhaul individual part. Therefore, the manual operation and the overhaul of an operator are convenient.

In an embodiment of the present invention, the housing case 107 may be a rectangular case structure, and at least one side plate of the rectangular case structure has a hinge structure or a sliding connection structure.

The housing case 107 has a rectangular structure having a top plate and a plurality of side plates. The edges of the side panels may have a hinged structure so that the side panels can be opened by folding. Specifically, a plurality of foldable side plates may be provided as needed, for example, a side plate at the rear of the housing case 107, a side plate at the left and right sides, and the like. Alternatively, a sliding structure may be provided at the side plate or the top plate, for example, a sliding slot is provided at the edge of the side plate, and the movable side plate is disposed in the sliding slot. I.e. the side panels can be slid open to the left or right. Or a sliding groove can be arranged at the top plate, and a part of the top plate is installed in the sliding groove, so that the part of the top plate can slide to open.

While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the present invention. Accordingly, the drawings and description are illustrative in nature and should not be construed as limiting the scope of the invention.

Claims

1. The utility model provides a mud solid-liquid separation integrated device which characterized in that includes:

2. The integrated sludge solid-liquid separation device as claimed in claim 1, wherein the mud pump is a double-cylinder double-acting mud pump;

3. The integrated sludge solid-liquid separation device according to claim 2, wherein the first pipeline, the second pipeline, the third pipeline and the fourth pipeline are all provided with electric control valves, and the electric control valves are used for controlling the on-off of the pipelines.

4. The integrated sludge solid-liquid separation device according to claim 3, further comprising: a controller;

the controller is respectively connected with the stirrer, the slurry pump, the filter press and the electric control valve.

5. The integrated sludge solid-liquid separation device according to claim 4, wherein the stirring tank is provided with a liquid level meter, the liquid level meter is connected with the controller, the liquid level meter is used for monitoring the sludge liquid level of the stirring tank, and when the sludge liquid level reaches a preset position, a preset signal is sent to the controller.

6. The integrated sludge solid-liquid separation device as claimed in claim 3, further comprising a flow meter installed in the third pipeline.

7. The integrated sludge solid-liquid separation device according to claim 1, wherein the filter press comprises a filter press chamber and a hydraulic pump, the hydraulic pump is connected with the filter press chamber, and the filter press chamber is connected with the mud pump through the second pipeline;

and filter cloth is arranged in the filter pressing chamber.

8. The integrated sludge solid-liquid separation device as claimed in claim 7, wherein the filter cloth is a liquid phase permeable filter cloth.

9. The integrated sludge solid-liquid separation device as claimed in claim 1, further comprising a housing;

the outer cover shell is arranged on the skid-mounted underframe, and the stirring tank, the mud pump, the filter press and the conveying belt are all arranged inside the outer cover shell.

10. The integrated sludge solid-liquid separation device as claimed in claim 9, wherein the housing shell is a rectangular shell structure, and at least one side plate of the rectangular shell structure is provided with a hinged structure or a sliding connection structure.