Isobutene recovery device in tert-butyl acrylate reaction process
By designing an isobutylene recovery device that includes a heat exchanger and a heating chamber, the problem of unrecovered heat in traditional devices is solved, heat recycling is achieved, and production costs are reduced.
Patent Information
- Application Number
- CN202520027940.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-07
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2035-01-07
AI Technical Summary
In the traditional tert-butyl acrylate production process, the isobutylene recovery unit lacks heat recovery capabilities, leading to energy waste and increased production costs.
Design an isobutylene recovery device including a heat exchanger and a heating chamber to recover heat from waste gas through heat exchange and use it to preheat the intake gas of the reaction system, thereby realizing heat recycling.
The heat recovery function reduces the need for external heat sources, lowers energy consumption in the production process, and reduces the cost of using the equipment.
Smart Images
Figure CN223668691U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a kind of isobutene recovery technology field in tertiary butyl acrylate reaction process, and is especially a kind of isobutene recovery device in tertiary butyl acrylate reaction process. BACKGROUND
[0002] Tertiary butyl acrylate is an important organic chemical raw material, is widely used in coating, adhesive, plastic and other fields, in the production process of tertiary butyl acrylate, isobutene as one of main raw materials, its recycling is of great significance to improve production efficiency and reduce cost.
[0003] Since the traditional device is directly discharged to tail gas, resulting in a large amount of heat with waste gas is discharged to the environment, not effectively utilized, increase energy consumption, due to energy waste, enterprise needs to consume more energy to maintain production process, such as heating intake, cooling absorption tower etc., which directly leads to the increase of production cost, thereby causing device use cost greatly increases.
[0004] Therefore, it is necessary to provide a kind of isobutene recovery device in tertiary butyl acrylate reaction process to solve the above technical problems. UTILITY MODEL CONTENT
[0005] The utility model provides a kind of isobutene recovery device in tertiary butyl acrylate reaction process, solve the problem that traditional device lacks heat recovery function and leads to the increase of device use cost.
[0006] To solve the above technical problems, the utility model provides a kind of isobutene recovery device in tertiary butyl acrylate reaction process, it includes: device main body, the device main body is fixedly connected with heat exchange support block, heat exchanger is installed on the heat exchange support block, heat exchange inlet pipe is fixedly connected on the heat exchanger, the heat exchanger is fixedly connected with communication pipe, heating connection pipe is fixedly connected on the heat exchanger, heating bin is fixedly connected on the heating connection pipe, recovery inlet pipe is fixedly connected on the device main body, the recovery inlet pipe is fixedly connected with heating bin, the heating bin is provided with air hole, conveying pipe is fixedly connected on the heat exchanger, collecting screen is arranged in the communication pipe, heating fixed block is fixedly connected on the device main body, and the heating fixed block is fixedly connected with heating bin.
[0007] Preferably, the device main body is fixedly connected with processing support block, tail gas treatment box is fixedly connected on the processing support block, gas outlet pipe is fixedly connected on the tail gas treatment box, activated carbon is arranged in the tail gas treatment box, and purification liquid is arranged in the tail gas treatment box.
[0008] Preferably, the tail gas treatment box is provided with a first filter screen, the tail gas treatment box is provided with a second filter screen, a dehydrating agent is arranged between the first filter screen and the second filter screen, and the tail gas treatment box is fixedly connected with a fixed pipe.
[0009] Preferably, the device body is fixedly connected with a mounting bottom plate, the mounting bottom plate is mounted with a reduction pump, the reduction pump is fixedly connected with a liquid inlet pipe, and the reduction pump is fixedly connected with a liquid outlet pipe.
[0010] Preferably, the liquid outlet pipe is fixedly connected with a shunt pipe, the shunt pipe is mounted with a spray head, and the device body is fixedly connected with a collecting pipe.
[0011] Preferably, the device body is fixedly connected with a fixed support frame, the fixed support frame is fixedly connected with a device support rod, and the device support rod is fixedly connected with an anti-skid pad.
[0012] Preferably, the device body is provided with an observation window, the device body is mounted with a controller, the device body is fixedly connected with a discharge pipe, and the discharge pipe is provided with an electromagnetic valve.
[0013] Compared with the related art, the tertiary butyl acrylate reaction process isobutene recovery device has the following beneficial effects:
[0014] The device body is fixedly connected with a fixed support frame, the fixed support frame is fixedly connected with a device support rod, and the device support rod is fixedly connected with an anti-skid pad. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 A preferred embodiment structure schematic view of the tertiary butyl acrylate reaction process isobutene recovery device is provided.
[0016] Figure 2 A preferred embodiment structure schematic view of the tertiary butyl acrylate reaction process isobutene recovery device is provided. Figure 1 A preferred embodiment structure schematic view of the tertiary butyl acrylate reaction process isobutene recovery device is provided.
[0017] Figure 3 A preferred embodiment structure schematic view of the tertiary butyl acrylate reaction process isobutene recovery device is provided. Figure 1The device body cross-sectional view schematic diagram shown is as follows:
[0018] Figure 4 As Figure 3 The A part enlarged schematic diagram shown is as follows:
[0019] Figure 5 As Figure 3 The B part enlarged schematic diagram shown is as follows.
[0020] The figure mark: 1, device body, 2, heating bin, 3, heating fixed block, 4, recovery intake pipe, 5, non-slip pad, 6, discharge pipe, 7, electromagnetic valve, 8, device support rod, 9, fixed support frame, 10, observation window, 11, processing support block, 12, tail gas processing box, 13, exhaust pipe, 14, conveying pipe, 15, controller, 16, liquid inlet pipe, 17, heat exchange intake pipe, 18, heat exchanger, 19, heating connecting pipe, 20, heat exchange support block, 21, fixed pipe, 22, air hole, 23, collection pipe, 24, collection filter screen, 25, reduction pump, 26, liquid conveying pipe, 27, mounting base, 28, shunt pipe, 29, spray head, 30, purification liquid, 31, activated carbon, 32, first filter screen, 33, second filter screen, 34, dehydrating agent, 35, communication pipe. DETAILED DESCRIPTION
[0021] The utility model will be further explained below in combination with the drawings and embodiment.
[0022] Please combine with reference Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 And Figure 5 Among them, Figure 1 It is a preferred embodiment structure schematic diagram of the isobutene recovery device in the tert-butyl acrylate reaction process provided by the utility model; Figure 2 The device body back surface schematic diagram shown is as follows: Figure 1 The device body cross-sectional view schematic diagram shown is as follows: Figure 3 The device body cross-sectional view schematic diagram shown is as follows: Figure 1 The A part enlarged schematic diagram shown is as follows: Figure 4 The B part enlarged schematic diagram shown is as follows. Figure 3 The B part enlarged schematic diagram shown is as follows. Figure 5 The B part enlarged schematic diagram shown is as follows. Figure 3The B part enlarged view shows. A kind of tert-butyl acrylate reaction process isobutylene recovery device, including: device main body 1, heat exchange support block 20 is fixedly connected on the device main body 1, heat exchanger 18 is installed on the heat exchange support block 20, heat exchange inlet pipe 17 is fixedly connected on the heat exchanger 18, the communication pipe 35 is fixedly connected on the heat exchanger 18, heating connection pipe 19 is fixedly connected on the heat exchanger 18, heating bin 2 is fixedly connected on the heating connection pipe 19, recovery inlet pipe 4 is fixedly connected on the device main body 1, heating bin 2 is fixedly connected to the recovery inlet pipe 4, air hole 22 is provided on the heating bin 2, conveying pipe 14 is fixedly connected on the heat exchanger 18, collecting filter screen 24 is provided in the communication pipe 35, heating fixing block 3 is fixedly connected on the device main body 1, the heating fixing block 3 is fixedly connected with heating bin 2, the heating fixing block 3 has the effect of fixing heating bin 2, can effectively guarantee the stability of heating bin 2, can better heat the gas into device.
[0023] The device main body 1 is fixedly connected with processing support block 11, the tail gas treatment box 12 is fixedly connected on the processing support block 11, the gas outlet pipe 13 is fixedly connected on the tail gas treatment box 12, the activated carbon 31 is provided in the tail gas treatment box 12, the purification liquid 30 is provided in the tail gas treatment box 12, the activated carbon 31 has the effect of adsorbing harmful gas in gas.
[0024] The first filter screen 32 is provided on the tail gas treatment box 12, the second filter screen 33 is provided on the tail gas treatment box 12, the dehydrating agent 34 is provided between the first filter screen 32 and the second filter screen 33, the fixed pipe 21 is fixedly connected on the tail gas treatment box 12, the first filter screen 32 has the effect of filtering gas.
[0025] The installation base plate 27 is fixedly connected on the device main body 1, the reduction pump 25 is installed on the installation base plate 27, the liquid inlet pipe 16 is fixedly connected on the reduction pump 25, the infusion tube 26 is fixedly connected on the reduction pump 25, the installation base plate 27 has the effect of fixing reduction pump 25.
[0026] The shunt pipe 28 is fixedly connected on the infusion tube 26, the spray head 29 is installed on the shunt pipe 28, the collecting pipe 23 is fixedly connected on the device main body 1, the shunt pipe 28 has the effect of shunting liquid to each spray head 29.
[0027] The fixed support frame 9 is fixedly connected on the device main body 1, the device support rod 8 is fixedly connected on the fixed support frame 9, the anti-skid pad 5 is fixedly connected on the device support rod 8, the fixed support frame 9 has the effect of supporting device.
[0028] The device body 1 is provided with an observation window 10, the device body 1 is installed with a controller 15, the device body 1 is fixedly connected with a discharge pipe 6, the discharge pipe 6 is provided with a electromagnetic valve 7, and the electromagnetic valve 7 has the effect of controlling the flow of discharge.
[0029] The working principle of the isobutene recovery device in the tert-butyl acrylate reaction process is as follows:
[0030] When the device is used, the gas enters the device through the device gas inlet pipe 4, and then the controller 15 controls the reducing pump 25 to pressurize the reducing agent through the reducing pump 25, and then the reducing agent is delivered to the shunt pipe 28 through the liquid delivery pipe 26, and finally sprayed out by the spray head 29, and then the other liquids that do not react with the gas are introduced into the heat exchanger 18 through the communication pipe 35, at this time the heat exchanger 18 exchanges heat with the gas, and the gas entering the heat exchange inlet pipe 17 is heated by the heat exchanger 18, and then enters the heating bin 2 through the heating connection pipe 19 to heat the recovery gas inlet pipe 4, so as to realize the purpose of preheating the inlet gas by heat recovery.
[0031] Compared with the related art, the isobutene recovery device in the tert-butyl acrylate reaction process has the following beneficial effects:
[0032] When the device is used, the gas enters the device through the device gas inlet pipe 4, and then the controller 15 controls the reducing pump 25 to pressurize the reducing agent through the reducing pump 25, and then the reducing agent is delivered to the shunt pipe 28 through the liquid delivery pipe 26, and finally sprayed out by the spray head 29, and then the other liquids that do not react with the gas are introduced into the heat exchanger 18 through the communication pipe 35, at this time the heat exchanger 18 exchanges heat with the gas, and the gas entering the heat exchange inlet pipe 17 is heated by the heat exchanger 18, and then enters the heating bin 2 through the heating connection pipe 19 to heat the recovery gas inlet pipe 4, so as to realize the purpose of preheating the inlet gas by heat recovery.
[0033] The above is only an embodiment of the utility model, and does not limit the patent range of the utility model, and any equivalent structure or equivalent process conversion or direct or indirect application in other related technical fields by using the contents of the utility model specification and drawings is also included in the patent protection range of the utility model.
Claims
1. A device for recovering isobutene in a tert-butyl acrylate reaction process, characterized by, Include: The device body, the heat exchange support block is fixedly connected on the device body, the heat exchanger is installed on the heat exchange support block, the heat exchange inlet pipe is fixedly connected on the heat exchanger, the communication pipe is fixedly connected on the heat exchanger, the heating connection pipe is fixedly connected on the heat exchanger, the heating bin is fixedly connected on the heating connection pipe, the device body is fixedly connected with the recovery inlet pipe, the recovery inlet pipe is fixedly connected with the heating bin, the heating bin is provided with the air hole, the heat exchanger is fixedly connected with the conveying pipe, the collecting filter screen is arranged in the communication pipe, the heating fixed block is fixedly connected on the device body, and the heating fixed block is fixedly connected with the heating bin.
2. The apparatus for recovering isobutene in a tert-butyl acrylate reaction process according to claim 1, characterized in that, The device body is fixedly connected with the processing support block, the tail gas treatment box is fixedly connected on the processing support block, the gas outlet pipe is fixedly connected on the tail gas treatment box, the activated carbon is arranged in the tail gas treatment box, and the purification liquid is arranged in the tail gas treatment box.
3. The apparatus for recovering isobutene in a tert-butyl acrylate reaction process according to claim 2, characterized in that, The first filter screen is arranged on the tail gas treatment box, the second filter screen is arranged on the tail gas treatment box, the dewatering agent is arranged between the first filter screen and the second filter screen, and the fixed pipe is fixedly connected on the tail gas treatment box.
4. The apparatus for recovering isobutene in a t-butyl acrylate reaction process according to claim 1, wherein The installation base plate is fixedly connected on the device body, the reduction pump is installed on the installation base plate, the liquid inlet pipe is fixedly connected on the reduction pump, and the liquid outlet pipe is fixedly connected on the reduction pump.
5. The apparatus for recovering isobutene in a tert-butyl acrylate reaction process according to claim 4, characterized in that, The shunt pipe is fixedly connected on the liquid outlet pipe, the spray head is installed on the shunt pipe, and the collecting pipe is fixedly connected on the device body.
6. The apparatus for recovering isobutene in a tert-butyl acrylate reaction process according to claim 1, wherein The fixed support frame is fixedly connected on the device body, the device support rod is fixedly connected on the fixed support frame, and the antiskid pad is fixedly connected on the device support rod.
7. The apparatus for recovering isobutene in a tert-butyl acrylate reaction process according to claim 1, wherein The observation window is arranged on the device body, the controller is installed on the device body, the discharge pipe is fixedly connected on the device body, and the electromagnetic valve is arranged on the discharge pipe.