Prying block device for reducing and activating catalyst
By using electric heaters and thermostats to monitor and control the temperature during the catalyst reduction and activation process, combined with the precise regulation of hydrogen and nitrogen flow, the problems of temperature fluctuations and tube bundle corrosion during the catalyst reduction and activation process are solved, and stable operation is achieved and reduce the effect of manual operation.
Patent Information
- Application Number
- CN202420485492.7
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-13
- Publication Date
- 2024-12-20
- Estimated Expiration
- 2034-03-13
AI Technical Summary
In the pretreatment reactor of carbon 4 comprehensive utilization, there are problems such as rapid temperature fluctuations, unstable temperature control of medium gas, difficulty in anti-corrosion of pipe bundles, and easy corrosion leakage during the reduction and activation of catalysts, which makes it difficult to control catalyst protection and increase The labor workload was done.
A skid device including electric heater, thermostat, hydrogen and nitrogen pipeline, flowmeter and control valve group is designed. The temperature monitoring and control of hydrogen and nitrogen flow is realized through electric heater and thermostat. , avoid corrosion of steam condensate on the heater tube bundle, and realize remote monitoring and automatic control through a remote thermometer.
It effectively avoids temperature fluctuations, reduces the workload of staff, avoids corrosion and leakage of tube bundles, realizes stable reduction and activation of catalysts, reduces manual operation, and maintains the long-term and stable operation of the device.
Smart Images
Figure CN222196983U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a skid device, more specifically, to a skid device used for catalyst reduction and activation, belonging to the field of petrochemical industry. Background Art
[0002] At present, various catalysts are used in the pretreatment reactor for comprehensive utilization of C4. Steam is mainly used as the heat source for catalyst reduction and activation. There are problems such as too fast heating speed in the early stage and unstable medium gas temperature control. In addition, it is difficult to prevent corrosion of the tube bundle, which is prone to corrosion and leakage, and it is difficult to control the protection of the catalyst. In order to prevent the above problems, manual control is required during the reduction and activation period, and the pipeline also needs periodic corrosion protection, which increases the manual workload. Utility Model Content
[0003] In order to solve the above-mentioned problems of the prior art, the utility model provides a skid device for catalyst reduction and activation, which has technical characteristics such as being able to effectively avoid temperature fluctuations and reduce the workload of staff.
[0004] In order to achieve the above purpose, the utility model is implemented by the following technical solutions:
[0005] A skid device for catalyst reduction and activation comprises an electric heater, wherein the electric heater is connected to a thermostat, the thermostat is connected to a power supply, the electric heater is connected to a hydrogen pipeline and a nitrogen pipeline, and the hydrogen pipeline and the nitrogen pipeline are both connected to a flow meter and a control valve group.
[0006] Preferably, the electric heater is also connected to a remote thermometer, and the remote thermometer is connected to the reactor to be monitored.
[0007] Preferably, the control valve group includes a main pipeline and a secondary pipeline connected in parallel, the main pipeline is connected to an electrically controlled regulating valve, and the secondary pipeline is connected to an electrically controlled stop valve.
[0008] Preferably, an electrically controlled stop valve is connected to each of the main lines on the left and right sides of the regulating valve.
[0009] Beneficial effects: The flow rate of hydrogen and nitrogen can be controlled; the corrosion damage to the heater tube bundle caused by steam condensate can be avoided; the structure is simple and the practicability is strong. BRIEF DESCRIPTION OF THE DRAWINGS
[0010] Figure 1 It is a schematic diagram of the overall structure of the utility model. DETAILED DESCRIPTION
[0011] The present invention will be further described below in conjunction with the accompanying drawings, but the present invention is not limited to the following embodiments.
[0012] like Figure 1 The figure shows a specific embodiment of a skid device for catalyst reduction and activation, which is a skid device for catalyst reduction and activation, including an electric heater 1, the electric heater 1 is connected to a thermostat 2, the thermostat 2 is connected to a power supply, the electric heater 1 is connected to a hydrogen pipeline 3 and a nitrogen pipeline 4, and the hydrogen pipeline 3 and the nitrogen pipeline 4 are both connected to a flow meter 5 and a control valve group.
[0013] In the utility model, nitrogen and hydrogen can be controlled by flowmeter 5 and control valve, and electric heater 1 can be monitored and controlled by outlet temperature and thermostat. Through the monitoring of multiple data, it is easy to realize stable control of flow and temperature to the reactor to avoid fluctuations. During the shutdown period of the catalyst reduction and activation skid device, it is only necessary to cut off the power supply and close the medium inlet valve of electric heater 1, and no anti-corrosion treatment is required, which reduces the workload and avoids the problem of corrosion and leakage of tube bundle. It can greatly reduce manual operation, realize smooth operation of catalyst reduction and activation, and avoid corrosion damage of heat exchanger. Keep the device running smoothly for a long time.
[0014] In a preferred embodiment, the electric heater 1 is further connected to a remote thermometer 6, and the remote thermometer 6 is connected to the reactor to be monitored, so that the temperature can be remotely monitored and the operation is convenient.
[0015] In a preferred embodiment, the control valve group includes a main line 7 and a sub-line 8 connected in parallel, the main line 7 is connected to an electrically controlled regulating valve 9, and the sub-line 8 is connected to an electrically controlled stop valve 10. It is convenient to realize automatic control by connecting to an external DCS system or configuring a controller.
[0016] In a preferred embodiment, an electrically controlled stop valve 10 is respectively connected to the main pipes 7 on the left and right sides of the regulating valve 9 to improve practicality.
[0017] Finally, it should be noted that the present invention is not limited to the above embodiments, and there are many variations. All variations that can be directly derived or associated with the content disclosed by ordinary technicians in this field should be considered as the protection scope of the present invention.
Claims
1. A skid device for catalyst reduction and activation, characterized in that: The invention comprises an electric heater (1), wherein the electric heater (1) is connected to a temperature controller (2), wherein the temperature controller (2) is connected to a power supply, wherein the electric heater (1) is connected to a hydrogen pipeline (3) and a nitrogen pipeline (4), wherein the hydrogen pipeline (3) and the nitrogen pipeline (4) are both connected to a flow meter (5) and a control valve group.
2. A skid device for catalyst reduction and activation according to claim 1, characterized in that: The electric heater (1) is also connected to a remote thermometer (6), and the remote thermometer (6) is connected to the reactor to be monitored.
3. A skid device for catalyst reduction and activation according to claim 1 or 2, characterized in that: The control valve group comprises a main pipeline (7) and a secondary pipeline (8) connected in parallel, the main pipeline (7) is connected to an electrically controlled regulating valve (9), and the secondary pipeline (8) is connected to an electrically controlled stop valve (10).
4. A skid device for catalyst reduction and activation according to claim 3, characterized in that: An electrically controlled stop valve (10) is respectively connected to the main lines (7) on the left and right sides of the regulating valve (9).