Safety air pressure valve for chemical production
By designing a safety pressure valve for chemical production, and utilizing structures such as a pressure relief tank, outer casing, buffer tank, and condenser, the problem of direct emission of overpressure gas in chemical production was solved. This enabled the condensation and recycling of high-temperature and high-pressure steam, thereby improving the safety and resource utilization efficiency of chemical production.
Patent Information
- Application Number
- CN202520109428.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-17
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-01-17
AI Technical Summary
Existing safety valves in chemical production directly release overpressure gas under overpressure conditions, leading to waste of chemical materials and environmental pollution. Furthermore, high-temperature and high-pressure steam poses health and ecological threats.
A safety pressure valve for chemical production was designed, comprising a pressure relief tank, an outer casing, a buffer tank, a condenser, and a peristaltic pump. It enables the condensation and recycling of high-temperature and high-pressure steam, guides overpressure gas to the pressure relief tank through the safety valve, and re-injects the condensed liquid material into the reactor, ensuring aseptic operation.
It effectively avoids the waste of chemical materials and environmental pollution, realizes the recycling of resources, improves the safety and economy of chemical production, and ensures the purity of chemical materials in aseptic operation.
Smart Images
Figure CN223717108U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the field of chemical production technology especially relates to a chemical production safety pressure valve. BACKGROUND
[0002] In chemical production, high-temperature and high-pressure equipment such as reaction kettles are common core equipment, internal chemical reactions are complex and unpredictable, and are often accompanied by high temperature, high pressure and material conversion processes. Due to pressure fluctuations, when the range exceeds the equipment bearing range, it will cause serious safety hazards such as equipment explosion and leakage, causing personnel casualties, property losses and environmental pollution.
[0003] Some existing chemical production safety valves have some shortcomings, which usually only have a single pressure relief function, when the reaction kettle pressure exceeds the threshold, the overpressure gas is directly discharged to the outside, causing a large amount of chemical material waste, and the chemical substances carried by high-temperature and high-pressure steam will pollute the environment, posing a threat to the surrounding ecology and human health. UTILITY MODEL CONTENT
[0004] In view of the deficiencies of the prior art, the utility model provides a chemical production safety pressure valve, which has the advantages of recycling, preventing pollution and sterile operation, and solves some problems in the background art.
[0005] The utility model provides the following technical scheme: a chemical production safety pressure valve, including safety valve, pressure relief tank, outer sleeve pipe and peristaltic pump, the left end middle part of pressure relief tank is fixedly installed with the long diameter flange that is connected, the left end of long diameter flange is fixedly connected between the discharge hole of safety valve right end, the upper end pipe orifice of outer sleeve pipe is fixedly connected with the right end middle part of pressure relief tank and is connected, the lower end pipe orifice of outer sleeve pipe is fixedly connected with buffer tank and is connected, the peristaltic pump is provided with hose, the lower end middle part of buffer tank is fixedly installed with elbow, the right end of hose is fixedly sleeved between elbow, the left end of hose is fixedly sleeved with sterile tube, the one-way liquid injection valve is arranged at the end away from the hose of sterile tube.
[0006] Further, the inside of the pressure relief tank is fixedly installed with a buffer plate near the left and right sides, and the buffer plate is provided with uniformly distributed air holes, which has the effect of buffering and reducing speed, and avoids excessive air flow velocity and good condensation treatment.
[0007] Further, the inside of the outer sleeve pipe is provided with a condenser tube, and the openings at the upper and lower ends of the condenser tube penetrate the outer sleeve pipe and are connected with a cooling water supply device, which is prior art and will not be described in detail.
[0008] Further, the inside of the buffer tank is fixedly provided with a reflux pipe in communication near the upper side, and the upper end of the reflux pipe penetrates and is fixedly connected to the inside of the outer sleeve near the upper side, that is, the gas accumulated on the upper side of the buffer tank that is not liquefied can re-enter the outer sleeve for condensation, so that the recovered chemical materials are injected into the reaction kettle in liquid form.
[0009] Further, the inside of the buffer tank is fixedly provided with a reflux pipe in communication near the upper side, and the upper end of the reflux pipe penetrates and is fixedly connected to the inside of the outer sleeve near the upper side, that is, the gas accumulated on the upper side of the buffer tank that is not liquefied can re-enter the outer sleeve for condensation, so that the recovered chemical materials are injected into the reaction kettle in liquid form.
[0010] Further, the inside of the buffer tank is fixedly provided with a reflux pipe in communication near the upper side, and the upper end of the reflux pipe penetrates and is fixedly connected to the inside of the outer sleeve near the upper side, that is, the gas accumulated on the upper side of the buffer tank that is not liquefied can re-enter the outer sleeve for condensation, so that the recovered chemical materials are injected into the reaction kettle in liquid form.
[0011] The utility model discloses the following effects:
[0012] 1, the chemical production safety pressure valve of the utility model can effectively guide the overpressure high-temperature high-pressure steam to the relief tank, the outer sleeve, the buffer tank and other components through the structure of the safety valve when the gas pressure in the reaction kettle exceeds the set threshold value, realizes the safe pressure relief treatment of the reaction kettle, at the same time, avoids the method that the traditional safety valve directly discharges overpressure gas to the outside, prevents the environmental pollution caused by chemical material discharge, achieves the purpose of protecting the environment, and this collection and storage mode also provides a material basis for subsequent resource recycling, effectively solves the safety and environmental problems that may be caused by overpressure gas discharge in chemical production.
[0013] 2, by setting the condenser in the device and introducing cooling water to circulate backflow, the gas entering the outer sleeve can be cooled to change into liquid and collected in the buffer tank, realizing condensation treatment, which not only enables the relief tank and other structures to store more high-temperature steam, providing better protection for emergency situations, but also enables the liquid chemical materials after condensation to be re-injected into the reaction kettle through the peristaltic pump, the hose, the sterile tube and the one-way liquid injection valve and other structures, in the process, the design of the peristaltic pump and the hose and other structures ensures that the collected gas-liquid mixture is not in contact with the outside world throughout the process, realizing aseptic operation and guaranteeing the purity of the recovered chemical materials, maximizing the recycling of resources and reducing the waste of chemical materials, improving the resource utilization efficiency and economy of chemical production. BRIEF DESCRIPTION OF DRAWINGS
[0014] Figure 1 It is a whole structure schematic view of the utility model;
[0015] Figure 2 It is internal structure schematic view of the utility model;
[0016] Figure 3 It is partial section structure schematic view of the utility model.
[0017] In the figure: 1, safety valve; 2, pressure relief tank; 3, outer sleeve; 4, buffer tank; 5, hose; 6, peristaltic pump; 7, sterile tube; 8, fixing piece; 9, one-way liquid injection valve; 10, thread groove; 11, long diameter flange; 12, buffer plate; 13, air hole; 14, condenser tube; 15, return pipe; 16, flow guide hopper; 17, right-angle elbow. DETAILED DESCRIPTION
[0018] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the utility model.
[0019] Please refer to Figures 1-3The utility model provides a chemical production safety pressure valve, including safety air valve 1, pressure relief tank 2, outer sleeve tube 3 and peristaltic pump 6, the left end intermediate place of pressure relief tank 2 is fixedly installed with the long diameter flange 11 of intercommunication, and the left end of long diameter flange 11 is fixedly connected between the discharge hole of the right end of safety air valve 1, and the upper end nozzle of outer sleeve tube 3 is fixedly connected with the right end intermediate place of pressure relief tank 2 and is connected, and the lower end nozzle of outer sleeve tube 3 is fixedly connected with buffer tank 4 and is connected, and the hose 5 is set up on peristaltic pump 6, and the lower end intermediate place of buffer tank 4 is fixedly installed with the elbow pipe 17, and the right end of hose 5 is fixedly sleeved with elbow pipe 17, and the left end of hose 5 is fixedly sleeved with sterile tube 7, and the one end of sterile tube 7 away from hose 5 is provided with one-way liquid injection valve 9, and the utility model discloses a chemical production reaction kettle and other high temperature and high pressure equipment, when the air pressure in reaction kettle is in normal range, safety air valve 1 is in closed state, and each component maintains the relatively stable state, when the air pressure in reaction kettle exceeds the set threshold value, the air pressure will push safety air valve 1 to start working, that is, the high temperature and high pressure steam in reaction kettle enters the inside of pressure relief tank 2 through the discharge hole of the right end of safety air valve 1 and long diameter flange 11, and the gas flows in the inside of pressure relief tank 2 and enters outer sleeve tube 3, and the gas in outer sleeve tube 3 can be cooled by the cooling water flowing in condenser pipe 14, and the gas starts to change into liquid and flows downward to buffer tank 4 to collect, thereby realizing the pressure relief treatment of reaction kettle, avoiding the direct discharge to the outside to cause the chemical material pollution, and after the gas is changed into liquid by condensation operation, the structure such as pressure relief tank 2 can store more high temperature steam, thereby better responding to some emergent conditions, further, by opening peristaltic pump 6, the roller and sliding block structure in peristaltic pump 6 rolls along hose 5, thereby pushing the liquid chemical material in buffer tank 4 from the inlet end of hose 5 to the outlet end, into sterile tube 7, and finally re-injected into reaction kettle through one-way liquid injection valve 9 under the guidance and transportation of sterile tube 7, realizing the recycling of resources, reducing the waste of chemical material, and through the design of peristaltic pump 6 and hose 5, the collected gas-liquid mixture can not contact the outside, and the whole process realizes aseptic operation, thereby guaranteeing the purity of recycled chemical material, forming a relatively complete and environment-friendly chemical production safety pressure valve system, guaranteeing the rationality and integrity of the technical scheme.
[0020] Please refer to Figure 2The inside of the pressure relief tank 2 is fixedly provided with a buffer plate 12 near the left and right sides, the buffer plate 12 is provided with uniformly distributed air holes 13, the inside of the outer sleeve 3 is provided with a condensing pipe 14, the upper and lower ends of the condensing pipe 14 are connected with a cooling water supply device through the outer sleeve 3, the buffer plate 12 and the air holes 13 can buffer and slow down the flow of gas, so that the gas can slowly enter the inside of the outer sleeve 3, that is, the gas can have more contact time with the condensing pipe 14 to achieve the condensing effect, and the cooling water supply device can introduce cooling water into the condensing pipe and circulate back.
[0021] Please refer to Figure 3 The inside of the buffer tank 4 is fixedly provided with a reflux pipe 15 near the upper side, the upper end of the reflux pipe 15 is fixedly connected to the inside of the outer sleeve 3 near the upper side, the inside of the buffer tank 4 is fixedly provided with a flow guide hopper 16 at the bottom, and the lower end of the flow guide hopper 16 is adapted to the elbow pipe 17, that is, the vertically placed buffer tank 4 can accumulate liquid at the bottom and gas above, which not only avoids the gas entering the hose 5 through the elbow pipe 17 and being sucked away, but also allows the unliquefied gas to participate in the condensing process in the outer sleeve 3 again under the cooperation of the reflux pipe 15.
[0022] Please refer to Figure 1 The outside of the one-way liquid injection valve 9 is provided with a threaded groove 10, the left end of the safety valve 1 is fixedly provided with a fixing member 8, and the one-way liquid injection valve 9 is threadedly connected to the inside of the fixing member 8, that is, the one-way liquid injection valve 9 can be directly fixedly installed with the safety valve 1 through the threaded groove 10 and the fixing member 8.
[0023] Working principle: the device is used for chemical production of reaction kettle and other high temperature and high pressure equipment, when the gas pressure in the reaction kettle is in the normal range, the safety valve 1 is in the closed state, when the gas pressure in the reaction kettle exceeds the set threshold value, the gas pressure will push the safety valve 1 to work, that is, at this time, the high temperature and high pressure steam in the reaction kettle will enter the inside of the pressure relief tank 2 through the discharge hole and the long diameter flange 11 at the right end of the safety valve 1, the gas flows in the inside of the pressure relief tank 2, through the setting of the buffer plate 12 and the gas hole 13, the flow of the gas can be buffered and decelerated to a certain extent, then slowly enter the inside of the outer sleeve 3, the cooling water flowing in the condenser pipe 14 can make the gas entering the inside of the outer sleeve 3 start to cool down, the gas starts to change into liquid and flows down to the buffer tank 4 to collect, further, by opening the peristaltic pump 6, the inside of the roller and the slider structure rolls along the hose 5, so as to push the liquid chemical material in the buffer tank 4 from the inlet end to the outlet end of the hose 5, enter the sterile tube 7, and then finally under the guidance and transportation of the sterile tube 7, through the one-way liquid injection valve 9, the liquid chemical material is injected into the reaction kettle again, realizes the recycling of resources, reduces the waste of chemical materials.
Claims
1. A chemical production safety pressure valve comprising a safety valve (1), a pressure relief tank (2), an outer sleeve (3) and a peristaltic pump (6), characterized in that: The left end of the pressure relief tank (2) is fixedly installed with a long-diameter flange (11) in communication, the left end of the long-diameter flange (11) is fixedly connected between the discharge hole of the right end of the safety valve (1), the upper end of the outer sleeve (3) is fixedly connected with the right end of the pressure relief tank (2) and is in communication, the lower end of the outer sleeve (3) is fixedly connected with the buffer tank (4) and is in communication, the peristaltic pump (6) is provided with a hose (5), the lower end of the buffer tank (4) is fixedly installed with a right-angle bend (17), the right end of the hose (5) is fixedly sleeved with the right-angle bend (17), the left end of the hose (5) is fixedly sleeved with a sterile tube (7), and the end of the sterile tube (7) away from the hose (5) is provided with a one-way liquid injection valve (9).
2. The safe pressure valve for chemical production according to claim 1, characterized in that: The inside of the pressure relief tank (2) is fixedly installed with a buffer plate (12) near the left and right sides, and the buffer plate (12) is provided with uniformly distributed air holes (13).
3. The safe pressure valve for chemical production according to claim 1, characterized in that: The inside of the outer sleeve (3) is provided with a condenser tube (14), and the openings at the upper and lower ends of the condenser tube (14) penetrate the outer sleeve (3) and are connected with a cooling water supply device.
4. The safe pressure valve for chemical production according to claim 1, characterized in that: The inside of the buffer tank (4) is fixedly installed with a reflux tube (15) in communication near the upper side, and the upper end of the reflux tube (15) penetrates and is fixedly connected to the inside of the outer sleeve (3) near the upper side.
5. The safe pressure valve for chemical production according to claim 1, characterized in that: The inside of the buffer tank (4) is fixedly installed with a flow guide hopper (16) at the bottom, and the lower end opening of the flow guide hopper (16) is adapted with the right-angle bend (17).
6. The safe pressure valve for chemical production according to claim 1, characterized in that: The outside of the one-way liquid injection valve (9) is provided with a threaded groove (10), the left end of the safety valve (1) is fixedly installed with a fixing piece (8), and the one-way liquid injection valve (9) penetrates and is threadedly connected to the inside of the fixing piece (8).