Novel pipeline dismounting teaching device

Abstract

The utility model relates to the technical field of chemical engineering teaching pipeline dismounting practical training, in particular to a novel pipeline dismounting teaching device, which comprises a storage tank, a pipeline arranged at the bottom of the storage tank, a ball valve arranged on the pipeline, one end of the pipeline connected with industrial wind and living water respectively, the other end connected with a Y-shaped filter, and an outlet of the Y-shaped filter connected with a hose through the pipeline. The hose is respectively connected with the basket filter I and the basket filter II through pipelines, an outlet of the basket filter I is connected with the centrifugal pump I through a pipeline, an outlet of the basket filter II is connected with the centrifugal pump II through a pipeline, an outlet of the centrifugal pump I is connected with the heat exchanger group through a pipeline, and an outlet of the centrifugal pump II is connected with the flowmeter through a pipeline. An outlet of the heat exchanger set is connected to the top of the storage tank through a pipeline. The basket type filter is added during disassembly and assembly of the device, complexity of inlet and outlet pipelines of the heat exchanger is increased, disassembly and assembly difficulty is increased, the device is closer to actual production, and learning of students is facilitated.

Description

Technical Field

[0001] The utility model relates to the technical field of pipeline disassembly and assembly training in chemical engineering teaching, and in particular to a novel pipeline disassembly and assembly teaching device. Background Art

[0002] The purpose of this training course is to provide students majoring in chemical engineering with an understanding of the methods and precautions for disassembling and installing pipes and fittings. It also aims to deepen students' understanding and memory of commonly used fittings such as valves, elbows, fittings, and flanges, as well as instruments such as flow meters, pressure gauges, and level gauges.

[0003] The current teaching facilities for chemical pipeline disassembly and assembly practice are simple and mostly designed for chemical machinery majors, which are not suitable for teaching students majoring in chemical technology. Utility Model Content

[0004] The utility model aims to solve the above problems and provides a novel pipeline disassembly and assembly teaching device.

[0005] The utility model is realized through the following technical scheme: a novel pipeline disassembly and assembly teaching device, comprising a storage tank, characterized in that a pipeline is provided at the bottom of the storage tank, a ball valve is provided on the pipeline, one end of the pipeline is respectively connected to industrial air and domestic water, and the other end is connected to a Y-type filter, the outlet of the Y-type filter is connected to a hose through a pipeline, the hose is respectively connected to basket filter one and basket filter two through pipelines, basket filter one and basket filter two are arranged in parallel, wherein the outlet of basket filter one is connected to centrifugal pump one through a pipeline, the outlet of basket filter two is connected to centrifugal pump two through a pipeline, the outlet of centrifugal pump one is connected to a heat exchanger group through a pipeline, the outlet of centrifugal pump two is connected to a flow meter through a pipeline, the outlet of the flow meter is connected to the heat exchanger group through a pipeline, and the outlet of the heat exchanger group is connected to the top of the storage tank through a pipeline.

[0006] Furthermore, valves are respectively provided on the inlet and outlet pipes of the Y-type filter.

[0007] Furthermore, the outlet pipes of centrifugal pump 1 and centrifugal pump 2 are both provided with a one-way valve, a pressure gauge and a valve.

[0008] Furthermore, cleaning pipes are respectively provided at the inlet pipes of the basket filters one and two, and each cleaning pipe is provided with a cleaning valve.

[0009] Furthermore, the heat exchanger group includes heat exchanger 1 and heat exchanger 2, wherein the shell inlet pipe and outlet pipe of heat exchangers 1 and 2 are both provided with ball valves, and the tube layer inlet pipe and outlet pipe are both provided with valves, and the shell layer outlet pipe and the tube layer outlet pipe are connected to the storage tank after being combined.

[0010] The beneficial effects of the utility model are:

[0011] 1. When the device is in operation, domestic water enters the storage tank, passes through the Y-type filter and basket filter at the bottom of the tank, and enters the centrifugal pump. After the centrifugal pump increases the head, it is divided into two paths through the rotor flowmeter and enters the shell and tube layer of the heat exchanger. After passing through the heat exchanger, it is connected to the main pipe and enters the storage tank for circulation. This chemical pipeline disassembly and assembly training device can be operated to switch the centrifugal pump, adjust the water inlet to the shell and tube layer using valves and ball valves, and clean the basket filter and Y-type filter.

[0012] 2. When disassembling and installing this device, a basket filter is added, which increases the complexity of the heat exchanger inlet and outlet pipelines and the difficulty of disassembly and assembly, making it closer to actual production and easier for students to learn.

[0013] 3. This device conducts airtightness teaching by adding industrial air pipelines, that is, installing the disassembled pipelines. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a structural diagram of the present utility model.

[0015] In the attached figure, 1 is a storage tank, 2 is a Y-type filter, 3 is a hose, 4 is a basket filter 1, 5 is a basket filter 2, 6 is a centrifugal pump 1, 7 is a centrifugal pump 2, 8 is a one-way valve, 9 is a flow meter, 10 is a heat exchanger 1, 11 is a heat exchanger 2, 13 is a ball valve, 14 is a valve, 15 is a cleaning valve, 16 is a safety valve, and 17 is a drain valve. DETAILED DESCRIPTION

[0016] In order to make the purpose, technical solution and beneficial effects of the present invention more clear, the technical solution of the present invention is further described below in conjunction with embodiments.

[0017] like Figure 1 As shown, a new type of pipeline disassembly and assembly teaching device includes a storage tank, a pressure gauge and a safety valve are provided on the top of the storage tank, an emptying pipeline is provided on the top and bottom of the storage tank respectively, an emptying pipeline is provided on the emptying valve, a pipe is provided at the bottom of the storage tank, a ball valve is provided on the pipe, one end of the pipe is connected to industrial air and domestic water respectively, and the other end is connected to a Y-type filter, the outlet of the Y-type filter is connected to a hose through a pipe, the hose is connected to basket filter 1 and basket filter 2 respectively through a pipe, basket filter 1 and basket filter 2 are arranged in parallel, wherein the outlet of basket filter 1 is connected to centrifugal pump 1 through a pipe, the outlet of basket filter 2 is connected to centrifugal pump 2 through a pipe, the outlet of centrifugal pump 1 is connected to a heat exchanger group through a pipe, the outlet of centrifugal pump 2 is connected to a flow meter through a pipe, the outlet of the flow meter is connected to the heat exchanger group through a pipe, and the outlet of the heat exchanger group is connected to the top of the storage tank through a pipe.

[0018] The inlet and outlet pipes of the Y-type filter are respectively provided with valves.

[0019] The outlet pipes of the centrifugal pump 1 and the centrifugal pump 2 are both provided with a one-way valve, a pressure gauge and a valve.

[0020] The inlet pipes of the above-mentioned basket filters 1 and 2 are respectively provided with cleaning pipes, and each cleaning pipe is provided with a cleaning valve.

[0021] The above-mentioned heat exchanger group includes heat exchanger 1 and heat exchanger 2, wherein the shell inlet pipe and outlet pipe of heat exchanger 1 and 2 are both equipped with ball valves, and the tube layer inlet pipe and outlet pipe are both equipped with valves. The shell layer outlet pipe and the tube layer outlet pipe are connected to the storage tank after being combined.

[0022] In order to ensure the system airtightness of the pipeline from the centrifugal pump to the storage tank through the heat exchanger, a pipeline is further provided on the outlet pipeline of the above-mentioned centrifugal pump 1 to connect industrial air and domestic water respectively.

[0023] Domestic water enters the storage tank through the valve. When the tank level reaches 40% or above, it enters the Y-type filter through the ball valve at the bottom of the tank, then flows through a hose to the basket filter and into the centrifugal pump. After the centrifugal pump is started, the domestic water enters the flow meter through a one-way valve and is divided into two paths: one path enters the tube layer of heat exchangers 1 and 2, and the other path enters the shell layer of heat exchangers 1 and 2. The flow rate in the heat exchanger shell layer is adjusted by valves and ball valves before entering the storage tank to complete the circulation. When the tank level reaches 60%, the domestic water valve is closed.

[0024] During disassembly instruction, all pipes and instruments except centrifugal pumps 1 and 2, heat exchangers 1 and 2, and storage tanks can be removed.

[0025] When installing the tutorial, follow Figure 1 The installation is carried out according to the process shown. After the installation is completed, when the pipeline from the storage tank to the centrifugal pump inlet is airtight, industrial air is introduced through the valve to make the system airtight; on the pipeline from the centrifugal pump to the storage tank through the heat exchanger, industrial air is passed through the valve to make the system airtight.

[0026] Except for the technical features described in the specification, the remaining technical features are known to those skilled in the art.

Claims

1. A new type of pipeline disassembly and assembly teaching device, including a storage tank, characterized in that: A pipe is provided at the bottom of the storage tank, and a ball valve is provided on the pipe. One end of the pipe is connected to industrial air and domestic water respectively, and the other end is connected to a Y-type filter. The outlet of the Y-type filter is connected to a hose through a pipe, and the hose is connected to basket filter 1 and basket filter 2 respectively through pipes. Basket filter 1 and basket filter 2 are arranged in parallel, wherein the outlet of basket filter 1 is connected to centrifugal pump 1 through a pipe, the outlet of basket filter 2 is connected to centrifugal pump 2 through a pipe, the outlet of centrifugal pump 1 is connected to a heat exchanger group through a pipe, the outlet of centrifugal pump 2 is connected to a flow meter through a pipe, the outlet of the flow meter is connected to the heat exchanger group through a pipe, and the outlet of the heat exchanger group is connected to the top of the storage tank through a pipe.

2. A new type of pipeline disassembly and assembly teaching device according to claim 1, characterized in that: The inlet and outlet pipes of the Y-type filter are respectively provided with valves.

3. A new type of pipeline disassembly and assembly teaching device according to claim 1, characterized in that: The outlet pipes of the centrifugal pump 1 and the centrifugal pump 2 are both provided with a one-way valve, a pressure gauge and a valve.

4. A new type of pipeline disassembly and assembly teaching device according to claim 1, characterized in that: The inlet pipes of the first and second basket filters are respectively provided with cleaning pipes, and each cleaning pipe is provided with a cleaning valve.

5. A new type of pipeline disassembly and assembly teaching device according to claim 1, characterized in that: The heat exchanger group includes heat exchanger 1 and heat exchanger 2, wherein the shell inlet pipe and outlet pipe of heat exchanger 1 and 2 are both provided with ball valves, the tube layer inlet pipe and outlet pipe are both provided with valves, and the shell layer outlet pipe and the tube layer outlet pipe are connected to the storage tank after being combined.

Images