Pressure balancing device between ethylene oxide storage tanks

Abstract

The utility model relates to the technical field of ethylene oxide storage tanks, and discloses a pressure balancing device between ethylene oxide storage tanks, which comprises tank bodies, curved pipes are fixedly connected outside the three tank bodies, a shell is fixedly connected outside the curved pipes, the tops of the curved pipes penetrate through the shell and are fixedly connected with hoses, and the hoses are fixedly connected with a pressure balancing device. The bottom of the curved pipe penetrates through the shell and is fixedly connected with a connecting pipe, a water tank is arranged on the outer side of the shell, a pump body is arranged on the right side of the water tank, the top of the pump body is fixedly connected with the tail end of the hose, a pressure sensor is fixedly connected to the left side of the top in the tank body, and a temperature sensor is fixedly connected to the right side of the top in the tank body. According to the utility model, different tank bodies are connected through the balance pipe of the pressure balance assembly, if the pressure of a certain tank body is higher, ethylene oxide gas can flow to the tank body with lower pressure through the balance pipe, and the first control valve on the balance pipe is used for controlling the circulation of the gas, so that the balance of the pressure between the tank bodies is realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to epoxyethane storage tank technical field, concretely is a kind of epoxyethane storage tank inter-pressure equalizing device. BACKGROUND

[0002] Epoxyethane, also known as ethylene oxide, oxane, English abbreviation is EO, is a kind of organic chemical with toxicity, flammable, explosive, molecular formula is C2H4O, it is one of the simplest epoxides. It is a gas at room temperature and pressure, with sweet smell. It is a colorless liquid that flows easily below 10.7 ℃, with the smell of diethyl ether, its vapor has irritant to the eye and nasal mucosa, miscible with water, ethanol, alcohol, diethyl ether, chemical property is very active, can be added with many compounds and air to form explosive mixture, explosion limit is 3%-100% (volume). Epoxyethane is a highly toxic substance, the allowable amount in air is 100 PPM, inhalation of epoxyethane can cause narcotic poisoning, and epoxyethane needs to be stored in epoxyethane storage tank.

[0003] The existing multiple epoxyethane storage tanks cannot be pressure balanced, and the storage tank cannot be cooled. When the ambient temperature rises, the evaporation of epoxyethane liquid in the tank intensifies, the pressure rises, and overpressure danger is prone to occur.

[0004] In view of the above problems, an epoxyethane storage tank inter-pressure equalizing device is provided. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing an epoxyethane storage tank inter-pressure equalizing device, which solves the problem that the existing multiple epoxyethane storage tanks in the background art cannot be pressure balanced and cannot be cooled.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: an epoxyethane storage tank inter-pressure equalizing device, comprising a tank body, three tank body outer portions are fixedly connected with curved pipes, the curved pipe outer portion is fixedly connected with a shell, the curved pipe top penetrates the shell and is fixedly connected with a hose, the curved pipe bottom penetrates the shell and is fixedly connected with a connecting pipe, the shell outer side is provided with a water tank, the water tank right side is provided with a pump body, the pump body top is fixedly connected with the hose tail end, the tank body inner top left side is fixedly connected with a pressure sensor, the tank body inner top right side is fixedly connected with a temperature sensor, and a pressure balancing assembly is arranged between the two tank body tops.

[0007] By adopting the technical scheme, when the temperature rises to cause the pressure in the tank to rise, on one hand, the pressure balance adjustment is conducted through the balance pipe and other tank bodies. On the other hand, the system composed of the curved pipe, the hose, the connecting pipe, the water tank and the pump body plays a role. The pump body draws out the water in the water tank through the water pipe and press in the curved pipe top through the hose. The water flows in the curved pipe and exchanges heat with the ethylene oxide gas in the curved pipe, absorbs the heat of the gas, reduces the temperature of the gas, and further reduces the pressure in the tank.

[0008] As a further description of the above technical scheme: the pressure balance assembly comprises a balance pipe, both sides of the balance pipe are fixedly connected with the tank body, and the balance pipe is externally provided with a first control valve.

[0009] By adopting the technical scheme, the balance pipe of the pressure balance assembly is connected with different tank bodies. If the pressure of a certain tank body is relatively high, the ethylene oxide gas can flow to the tank body with relatively low pressure through the balance pipe. The first control valve on the balance pipe is used for controlling the flow of the gas, so that the pressure balance between the tank bodies is realized.

[0010] As a further description of the above technical scheme: the left side of the pump body is fixedly connected with a water pipe, and the tail end of the water pipe is fixedly connected with a water tank.

[0011] By adopting the technical scheme, the water pipe plays a conveying role.

[0012] As a further description of the above technical scheme: the top of the water tank is fixedly connected with a water inlet pipe, and the left side of the water tank is fixedly connected with a drain pipe.

[0013] By adopting the technical scheme, the water inlet pipe and the drain pipe facilitate water feeding and water draining in the water tank, ensure the cooling effect of the tank body, and the drain pipe is externally provided with a valve.

[0014] As a further description of the above technical scheme: a shell is internally penetrated and provided with uniformly distributed through grooves.

[0015] By adopting the technical scheme, the through grooves play a role of heat dissipation.

[0016] As a further description of the above technical scheme: the front side of the shell is fixedly connected with a display screen.

[0017] By adopting the technical scheme, the pressure sensor on the top left side in the tank body monitors the pressure data in the tank in real time and transmits the data to the display screen. The staff can intuitively understand the pressure conditions of the tank bodies through the display screen. When the pressure abnormally fluctuates, timely measures can be taken for adjustment, so as to ensure the storage safety.

[0018] As a further description of the above technical scheme: the top of the tank body is penetrated and fixedly connected with a feeding pipe, and the feeding pipe is externally provided with a second control valve.

[0019] By adopting the technical scheme, ethylene oxide feeding is facilitated.

[0020] Compared with the prior art, the utility model has the advantages that:

[0021] The pressure balancing device between the ethylene oxide storage tanks is provided with the pressure balancing assembly, the tank body, the curved pipe, the hose, the connecting pipe, the water tank, the water pipe, the pump body, the pressure sensor and the temperature sensor, the balancing pipe of the pressure balancing assembly is connected with different tank bodies, if the pressure of a certain tank body is relatively high, ethylene oxide gas can flow to the tank body with relatively low pressure through the balancing pipe, the first control valve on the balancing pipe is used for controlling the circulation of the gas, so that the pressure balance between the tank bodies is realized, the water in the water tank is pumped out through the water pipe, and is pressed into the top of the curved pipe through the hose, the water flows in the curved pipe, exchanges heat with the ethylene oxide gas in the curved pipe, absorbs the heat of the gas, reduces the temperature of the gas, and then reduces the pressure in the tank, so that the stability and quality of the ethylene oxide are ensured. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 It is a whole structure schematic view of the utility model;

[0023] Figure 2 It is a tank body internal structure schematic view of the utility model;

[0024] Figure 3 It is a top view of the utility model.

[0025] In the drawing: 1, tank body; 2, curved pipe; 3, hose; 4, connecting pipe; 5, water tank; 6, water pipe; 7, pump body; 8, drain pipe; 9, water inlet pipe; 10, shell; 11, through slot; 12, pressure sensor; 13, temperature sensor; 14, display screen; 15, balancing pipe; 16, first control valve; 17, feed pipe; 18, second control valve. DETAILED DESCRIPTION

[0026] The technical scheme 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, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor belong to the protection scope of the utility model.

[0027] In order to further understand the content of the utility model, the utility model is described in detail with reference to the drawings.

[0028] Reference Figure 1 , Figure 2 and Figure 3The utility model discloses an ethylene oxide storage tank pressure balance device, including the tank body 1 for storing ethylene oxide. Three tank body 1 outside are fixedly connected with the curved pipe 2, and the curved pipe 2 is spiral, and the curved pipe 2 outside is fixedly connected with the casing 10, and the curved pipe 2 top penetrates the casing 10 and is fixedly connected with the hose 3, and the hose 3 is used to transport water. The curved pipe 2 bottom penetrates the casing 10 and is fixedly connected with the connecting pipe 4, and the connecting pipe 4 plays the effect of connection. The casing 10 outside is provided with the water tank 5, and the water tank 5 right side is provided with the pump body 7, and the pump body 7 can pump out the water in the water tank 5. The pump body 7 top is fixedly connected with the hose 3 end, and the tank body 1 inner top left side is fixedly connected with the pressure sensor 12, and the tank body 1 inner top right side is fixedly connected with the temperature sensor 13, and the temperature and pressure in the tank body 1 can be detected. Two tank body 1 top are provided with pressure balance assembly between.

[0029] Refer to Figure 2 The pressure balance assembly includes the balance pipe 15, and the balance pipe 15 both sides bottom penetrates and is fixedly connected with the tank body 1, and the balance pipe 15 outside is provided with the first control valve 16, and the balance pipe 15 of pressure balance assembly is connected with different tank body 1, and if the pressure of certain tank body 1 is higher, ethylene oxide gas can flow to the tank body 1 of lower pressure through the balance pipe 15, and the first control valve 16 on the balance pipe 15 is used to control the circulation of gas, to realize the balance of pressure between tank body 1.

[0030] Refer to Figure 1 、 Figure 2 And Figure 3 The pump body 7 left side is fixedly connected with the water pipe 6, and the water pipe 6 end is fixedly connected with the water tank 5, and the water pipe 6 plays the role of transportation. The water tank 5 top is fixedly connected with the water inlet pipe 9, and the water tank 5 left side is fixedly connected with the drain pipe 8, and the water inlet pipe 9 and drain pipe 8 facilitate to add water and drain water in the water tank 5, to ensure the cooling effect of tank body 1, and the drain pipe 8 outside is provided with valve (not marked in the drawing), to facilitate control drainage. The casing 10 is penetrated and is provided with the evenly distributed through slot 11, and the casing 10 front side is fixedly connected with the display screen 14, to facilitate staff to intuitively understand the pressure condition of each tank body 1. The tank body 1 top penetrates and is fixedly connected with the feed pipe 17, and the feed pipe 17 outside is provided with the second control valve 18.

[0031] Working principle: the top of the plurality of tank bodies 1 is connected through the balance pipe 15, and the balance pipe 15 is externally provided with the first control valve 16. When the internal pressure of a certain tank body 1 is higher than that of other tank bodies 1, the ethylene oxide gas flows to the tank body 1 with lower pressure through the balance pipe 15, so as to realize the automatic balance of the pressure between the tanks. For example, if the pressure of tank body A rises, the gas will flow to the tank bodies B and C with relatively lower pressure through the balance pipe 15, until the pressure of each tank body reaches a relatively stable state, so as to maintain the pressure balance of the whole storage system. The pressure sensor 12 on the left side and the temperature sensor 13 on the right side of the top of the tank body 1 monitor the pressure and temperature data in the tank in real time. These data are transmitted to the display screen 14 on the front side of the shell 10, so that the staff can know the pressure and temperature conditions in the tank at any time. When the temperature rises and causes the pressure in the tank to rise, on the one hand, the pressure balance adjustment is carried out through the balance pipe 15 and other tank bodies 1. On the other hand, the pump body 7 draws the water in the water tank 5 out through the water pipe 6, and pressurizes the water into the top of the curved pipe 2 through the hose 3. The water flows in the curved pipe 2, absorbs the heat outside the tank body 1, reduces the temperature of the gas in the tank body 1, and then reduces the pressure in the tank. The cooled water flows back to the water tank 5 through the connecting pipe 4 from the bottom of the curved pipe 2, so as to realize the circulation cooling and stabilize the pressure in the tank.

[0032] It should be noted that the relative terms such as first and second, etc. are used herein merely to distinguish one entity or action from another entity or action, and do not necessarily require or imply any such actual relationship or order between these entities or actions. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that the process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0033] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to the embodiments without departing from the principles and spirits of the present application, and the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. An ethylene oxide storage tank inter-pressure equalization device comprising a tank body (1), characterized in that: Three said tank body (1) outside are fixedly connected with curved pipe (2), curved pipe (2) outside fixedly connected with the shell (10), the curved pipe (2) top through shell (10) fixedly connected with the hose (3), the curved pipe (2) bottom through shell (10) fixedly connected with the connecting pipe (4), the shell (10) outside is provided with water tank (5), the water tank (5) right side is provided with pump body (7), the pump body (7) top with hose (3) terminal fixedly connected, the tank body (1) in the top left side fixedly connected with pressure sensor (12), the tank body (1) in the top right side fixedly connected with temperature sensor (13), two the tank body (1) top between pressure balance assembly is provided with.

2. An ethylene oxide storage tank inter-pressure equalization device according to claim 1, characterized in that: The pressure balance assembly includes a balance pipe (15), the balance pipe (15) both sides bottom is through and is fixedly connected with tank body (1), the balance pipe (15) outside is provided with first control valve (16).

3. An ethylene oxide storage tank inter-pressure equalization device as defined in claim 1, wherein: The pump body (7) left side is fixedly connected with water pipe (6), and water pipe (6) terminal is fixedly connected with water tank (5).

4. An ethylene oxide storage tank inter-pressure equalization device as defined in claim 1, wherein: The water tank (5) top is fixedly connected with water inlet pipe (9), and the water tank (5) left side is fixedly connected with drain pipe (8).

5. An ethylene oxide storage tank inter-pressure equalization device as defined in claim 1, wherein: The shell (10) is through and is provided with the uniformly distributed through slot (11) in.

6. An ethylene oxide storage tank inter-pressure equalization device as defined in claim 1, wherein: The shell (10) front side is fixedly connected with display screen (14).

7. An ethylene oxide storage tank inter-pressure equalization device as defined in claim 1, wherein: The tank body (1) top is through and is fixedly connected with feed pipe (17), and feed pipe (17) outside is provided with second control valve (18).

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