CN211450345U - Integrated positive and negative pressure protector - Google Patents
Integrated positive and negative pressure protector Download PDFInfo
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- CN211450345U CN211450345U CN201921500679.5U CN201921500679U CN211450345U CN 211450345 U CN211450345 U CN 211450345U CN 201921500679 U CN201921500679 U CN 201921500679U CN 211450345 U CN211450345 U CN 211450345U
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Abstract
The utility model belongs to the technical field of gas storage containers, in particular to an integrated positive and negative pressure protector, which comprises a cylinder body, an exhaust funnel, an air inlet pipe, a positive pressure chamber and a negative pressure chamber; the positive pressure chamber and the negative pressure chamber are both arranged in the cylinder body; the positive pressure chamber is arranged above the negative pressure chamber; one end of the air inlet pipe is connected with equipment to be protected, and the other end of the air inlet pipe is connected with a connecting port on the side wall of the cylinder body; the exhaust funnel is arranged above the positive pressure chamber and is used for exhausting the gas conveyed from the positive pressure chamber. The protector of the utility model can be connected with a fermentation tank, a gas storage tank or a gas holder, and is used for the positive and negative pressure protection of the tank body. The utility model discloses equipment can realize that excessive pressure self-bleeding, negative pressure are automatic to be admitted, can reduce fermentation cylinder, gas storage tank or gas holder because the risk that gas pressure changes and cause. The utility model discloses equipment fixing is convenient, and equipment structure is exquisite, and equipment maintenance is simple. Moreover, the safety of the equipment is good.
Description
Technical Field
The utility model belongs to the technical field of the storage gas container, concretely relates to positive negative pressure protector of integration.
Background
When equipment such as a gas cabinet, a tank body and the like stores gas, the gas pressure in the tank body can be changed due to the change of the container or the external environment, the tank body has an upper bearing limit for the pressure, and if the internal pressure of the tank body exceeds the value, serious safety accidents of tank body bursting are likely to be caused. The pressure of the tank body has a lower bearing limit, if the pressure of the tank body is too low, the external atmospheric pressure is greater than the internal pressure of the tank body, and the tank body is subjected to a squeezing force from the atmospheric pressure. If the pressure difference between the inside and the outside reaches a certain value, the tank body can be flattened by the atmospheric pressure, which is also a serious safety accident. When the tank body generates positive pressure and negative pressure, the pressure protector is a device which can play a role in protection and prevent safety accidents.
At present, split positive and negative pressure protectors are adopted in the market of China, the defects of high investment and complex management exist, and the protectors also have the problems of decay, failure, low service life, large equipment volume, complex installation, appearance to be improved and the like.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defects of the prior art, the utility model provides an integrated positive and negative pressure protector, which comprises a cylinder body, an exhaust funnel, an air inlet pipe, a positive pressure chamber and a negative pressure chamber;
the positive pressure chamber and the negative pressure chamber are both arranged in the cylinder body;
the positive pressure chamber is arranged above the negative pressure chamber;
one end of the air inlet pipe is connected with equipment to be protected, and the other end of the air inlet pipe is connected with a connecting port on the side wall of the cylinder body;
the exhaust funnel is arranged above the positive pressure chamber and is used for exhausting the gas conveyed from the positive pressure chamber.
Further, the three-dimensional shape of the barrel may be a truncated cone shape, a cylindrical shape, or a cubic shape or other suitable shapes.
Further, a connecting port on the side wall of the cylinder body is arranged between the positive pressure chamber and the negative pressure chamber.
Further, the positive pressure chamber comprises a positive pressure chamber plate;
the positive and negative voltage protector also comprises a positive voltage protection disc;
the positive pressure protection disc is arranged above the positive pressure cavity plate; the positive pressure protection disc and the positive pressure cavity plate form a closed space;
holes are formed in the positive pressure cavity plate and the positive pressure protection disc;
the positive and negative pressure protector also comprises a counterweight rod; the upper end of the counterweight rod penetrates through the positive pressure protection disc, and the lower end of the counterweight rod penetrates through the positive pressure cavity plate;
the weight rod penetrates through the holes arranged on the positive pressure cavity plate and the positive pressure protection disc respectively;
the positive pressure protection disk is movable in accordance with movement of the weight lever.
Further, the negative pressure chamber comprises a negative pressure chamber plate;
the positive and negative voltage protector also comprises a negative voltage protection disc;
the negative pressure protection disc is arranged above the bottom plate of the cylinder body; the negative pressure protection disc and the bottom plate of the cylinder body form a closed space;
holes are formed in the cylinder body bottom plate and the negative pressure protection disc;
the number of the counterweight rods is 2; the upper end of the other counterweight rod penetrates through the negative pressure protection disc, and the lower end of the counterweight rod penetrates through the bottom plate of the barrel body;
the balance weight rod penetrates through holes formed in the bottom plate of the barrel body and the negative pressure protection disc respectively;
the negative pressure protection disc can move according to the movement of the other counterweight rod.
Further, the positive pressure protection disc and the negative pressure protection disc are sealed by liquid.
Further, the positive and negative pressure protector also comprises a positive pressure liquid level display tube and a negative pressure liquid level display tube;
the positive pressure liquid level display pipe and the negative pressure liquid level display pipe are respectively connected with the liquid in the positive pressure cavity and the liquid in the negative pressure cavity directly or through pipelines;
the positive pressure liquid level display tube negative pressure liquid level display tube is used for showing respectively the positive pressure cavity the liquid height in the negative pressure cavity.
Further, the top of malleation liquid level display tube negative pressure liquid level display tube is provided with the opening respectively, the opening is used for when sealing liquid is not enough, from the opening part respectively to malleation cavity or supplementary liquid in the negative pressure cavity.
Further, the positive and negative pressure reactor also comprises two valves;
the two valves are respectively connected with the liquid in the positive pressure cavity and the liquid in the negative pressure cavity through pipelines;
the valve is used for discharging liquid in the positive pressure chamber or the negative pressure chamber.
Further, the valve is a manual ball valve.
Further, the positive and negative pressure protector also comprises a spare pipe;
one end of the standby pipe can be connected with equipment to be protected, and the other end of the standby pipe is connected with a connecting port on the side wall of the cylinder body; a connecting port on the side wall of the cylinder body is arranged between the positive pressure chamber and the negative pressure chamber;
the backup tube is used when the intake tube fails.
Advantageous effects
The protector of the utility model can be connected with a fermentation tank, a gas storage tank or a gas holder, and is used for the positive and negative pressure protection of the tank body. The utility model discloses a protector can be with negative pressure control at-50 to-100 Pa within range, and malleation control is at +500 to +5000Pa within range, the utility model discloses equipment can realize excessive pressure self-bleeding, the automatic air admission of negative pressure, can reduce fermentation cylinder, gas storage tank or gas holder because the risk that gas pressure changes and causes. The utility model discloses equipment fixing is convenient, and equipment can be at the customization processing of mill, and the field assembly can, can be used for the positive negative pressure protection of fermentation cylinder, gas storage tank or gas holder. Additionally, the utility model discloses equipment structure is exquisite, can direct mount in jar wall, does not need to set up bearing structure alone, has reduced installation work load, and equipment maintenance is simple. Furthermore, the utility model discloses the external aiutage of equipment top as required. Moreover, the device is convenient, and has the advantages of timely water supply and drainage and good safety.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by the practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 shows a front view of the positive and negative pressure protector of the present invention;
fig. 2 shows a right side view of the positive/negative pressure protector of the present invention.
The device comprises an air inlet pipe 1, a positive pressure cavity plate 2, a positive pressure protection disc 3, an exhaust funnel 4, a cylinder 5, a liquid 6, a spare pipe 7, a negative pressure cavity plate 8, a manual ball valve 9, a negative pressure liquid level display pipe 10, a counterweight rod 11, a negative pressure protection disc 12 and a positive pressure liquid level display pipe 13.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention are clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1, the positive and negative pressure protector comprises an air inlet pipe (1), an exhaust funnel (4), a cylinder body (5), a positive pressure chamber and a negative pressure chamber;
the positive pressure chamber and the negative pressure chamber are both arranged in the cylinder body (5);
the positive pressure chamber is arranged above the negative pressure chamber;
one end of the air inlet pipe (1) is connected with equipment needing protection, for example, one end of the air inlet pipe (1) is connected with a tank body or a gas holder filled with gas through a flange; the other end of the air inlet pipe (1) is connected with a connecting port on the side wall of the cylinder body (5); and a connecting port on the side wall of the cylinder body (5) is arranged between the positive pressure chamber and the negative pressure chamber.
The exhaust funnel (4) is arranged above the positive pressure chamber, and the exhaust funnel (4) is used for exhausting gas conveyed from the positive pressure chamber.
The positive pressure chamber comprises a positive pressure chamber plate (2);
the positive and negative voltage protector also comprises a positive voltage protection disc (3);
the positive pressure protection disc (3) is arranged above the positive pressure cavity plate (2); the positive pressure protection disc (3) and the positive pressure cavity plate (2) form a closed space;
holes are formed in the positive pressure cavity plate (2) and the positive pressure protection disc (3);
the positive and negative pressure protector also comprises a counterweight rod (11); the upper end of the counterweight rod (11) penetrates through the positive pressure protection disc (3), and the lower end of the counterweight rod (11) penetrates through the positive pressure cavity plate (2);
the balance weight rod (11) respectively penetrates through holes formed in the positive pressure cavity plate (2) and the positive pressure protection disc (3);
the positive pressure protection disk (3) can move according to the movement of the balance weight rod (11).
The negative pressure chamber comprises a negative pressure chamber plate (8);
the positive and negative pressure protector also comprises a negative pressure protection disc (12);
the negative pressure protection disc (12) is arranged above the bottom plate of the cylinder body; the negative pressure protection disc (12) and the bottom plate of the cylinder body form a closed space;
holes are arranged on the bottom plate of the cylinder body and the negative pressure protection disc (12);
the number of the counterweight rods (11) is 2; the upper end of the other counterweight rod (11) passes through the negative pressure protection disc (12), and the lower end of the counterweight rod (11) passes through the bottom plate of the cylinder body;
the balance weight rod (11) respectively penetrates through holes formed in the bottom plate of the cylinder body and the negative pressure protection disc (12);
the negative pressure protection disk (12) can move according to the movement of the balance weight rod (11).
The positive pressure protection disc (3) and the negative pressure protection disc (12) are sealed by liquid (6).
The positive and negative pressure protector also comprises a positive pressure liquid level display tube (13) and a negative pressure liquid level display tube (10);
the positive pressure liquid level display pipe (13) and the negative pressure liquid level display pipe (10) are respectively connected with the liquid in the positive pressure cavity and the negative pressure cavity directly or through pipelines;
the positive pressure liquid level display pipe (13) and the negative pressure liquid level display pipe (10) are respectively used for displaying the liquid height in the positive pressure cavity and the negative pressure cavity.
The top of malleation liquid level display tube (13), negative pressure liquid level display tube (10) is provided with the opening respectively, the opening is used for when sealing liquid is not enough, from the opening part respectively to the interior supplementary liquid of malleation cavity or negative pressure cavity.
The positive and negative pressure reactor also comprises manual ball valves (9), and the number of the manual ball valves (9) is 2;
the two manual ball valves (9) are respectively connected with the liquid in the positive pressure cavity and the negative pressure cavity through pipelines;
the manual ball valve (9) is used for discharging liquid in the positive pressure cavity or the negative pressure cavity.
The positive and negative pressure protector also comprises a standby pipe (7);
one end of the standby pipe (7) is connected with equipment to be protected, and the other end of the standby pipe is connected with a connecting port on the side wall of the cylinder body; a connecting port on the side wall of the cylinder body is arranged between the positive pressure chamber and the negative pressure chamber;
the standby pipe (7) is used when the air inlet pipe fails.
The positive and negative pressure protector is made of stainless steel.
The utility model discloses a positive negative pressure protector requires to set up negative pressure protection dish (12) and malleation protection dish (3) according to jar body or gas holder to satisfy jar body or gas holder positive negative pressure protection's demand. When the pressure of the tank body or the gas holder is too high, the positive pressure protection disc (3) is opened by gas to enable the gas to leave the liquid (6), the gas is directly discharged through the exhaust funnel (4) at the top, the positive pressure protection disc (3) is provided with a counterweight rod (11), and the counterweight rod (11) can move up and down according to the pressure change in equipment connected with the positive and negative pressure protector, so that the positive pressure protection function can be automatically returned to the original position after being completed; when the pressure of the tank body or the gas holder is too low, the gas opens the negative pressure protection disc (12) to leave the liquid seal surface, outside air enters through the bottom of the equipment cylinder body (5), the negative pressure protection disc (12) is provided with a counterweight rod (11), and the counterweight rod (11) can move up and down according to the pressure change in equipment connected with the positive and negative pressure protector, so that the tank body or the gas holder can automatically return to the original position after the negative pressure protection function is finished; the positive pressure and negative pressure protection disc is sealed by liquid (the outdoor temperature is lower than 0 ℃ and the area is provided with antifreeze and purified water in other areas), the positive pressure liquid level display tube (13) and the negative pressure liquid level display tube (10) are used for displaying the height of the liquid level, when the sealing liquid is insufficient, the top opening of the liquid level display tube is used for supplementing, and when liquid drainage is needed, the manual ball valve (9) is opened to discharge the sealing liquid.
The three-dimensional shape of the barrel (5) can be a truncated cone shape, a cylindrical shape, or a cubic shape or other suitable shapes.
The protector of the utility model can be connected with a fermentation tank, a gas storage tank or a gas holder, and is used for the positive and negative pressure protection of the tank body. The utility model discloses a protector can be with negative pressure control at-50 to-100 Pa within range, and malleation control is at +500 to +5000Pa within range, the utility model discloses equipment can realize excessive pressure self-bleeding, the automatic air admission of negative pressure, can reduce fermentation cylinder, gas storage tank or gas holder because the risk that gas pressure changes and causes. The utility model discloses equipment fixing is convenient, and equipment can be at the customization processing of mill, and the field assembly can, can be used for the positive negative pressure protection of fermentation cylinder, gas storage tank or gas holder. Additionally, the utility model discloses equipment structure is exquisite, can direct mount in jar wall, does not need to set up bearing structure alone, has reduced installation work load, and equipment maintenance is simple. Furthermore, the utility model discloses the external aiutage of equipment top as required. Moreover, the device is convenient, and has the advantages of timely water supply and drainage and good safety.
Although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.
Claims (10)
1. The integrated positive and negative pressure protector is characterized by comprising a cylinder body, an exhaust cylinder, an air inlet pipe, a positive pressure chamber and a negative pressure chamber;
the positive pressure chamber and the negative pressure chamber are both arranged in the cylinder body;
the positive pressure chamber is arranged above the negative pressure chamber;
one end of the air inlet pipe is connected with equipment to be protected, and the other end of the air inlet pipe is connected with a connecting port on the side wall of the cylinder body;
the exhaust funnel is arranged above the positive pressure chamber and is used for exhausting the gas conveyed from the positive pressure chamber.
2. The integrated positive and negative pressure protector of claim 1, wherein the connection port on the side wall of the barrel is disposed between the positive and negative pressure chambers.
3. The integrated positive and negative pressure protector of claim 2, wherein the positive pressure chamber comprises a positive pressure chamber plate;
the positive and negative voltage protector also comprises a positive voltage protection disc;
the positive pressure protection disc is arranged above the positive pressure cavity plate; the positive pressure protection disc and the positive pressure cavity plate form a closed space;
holes are formed in the positive pressure cavity plate and the positive pressure protection disc;
the positive and negative pressure protector also comprises a counterweight rod; the upper end of the counterweight rod penetrates through the positive pressure protection disc, and the lower end of the counterweight rod penetrates through the positive pressure cavity plate;
the weight rod penetrates through the holes arranged on the positive pressure cavity plate and the positive pressure protection disc respectively;
the positive pressure protection disk is movable in accordance with movement of the weight lever.
4. The integrated positive and negative pressure protector of claim 3, wherein the negative pressure chamber comprises a negative pressure chamber plate;
the positive and negative voltage protector also comprises a negative voltage protection disc;
the negative pressure protection disc is arranged above the bottom plate of the cylinder body; the negative pressure protection disc and the bottom plate of the cylinder body form a closed space;
holes are formed in the cylinder body bottom plate and the negative pressure protection disc;
the number of the counterweight rods is 2; the upper end of the other counterweight rod penetrates through the negative pressure protection disc, and the lower end of the counterweight rod penetrates through the bottom plate of the barrel body;
the balance weight rod penetrates through holes formed in the bottom plate of the barrel body and the negative pressure protection disc respectively;
the negative pressure protection disc can move according to the movement of the other counterweight rod.
5. The integrated positive and negative pressure protector of claim 4, wherein the positive pressure protection disk and the negative pressure protection disk are both sealed with liquid.
6. The integrated positive-negative pressure protector of claim 5, further comprising a positive pressure liquid level display tube, a negative pressure liquid level display tube;
the positive pressure liquid level display pipe and the negative pressure liquid level display pipe are respectively connected with the liquid in the positive pressure cavity and the liquid in the negative pressure cavity directly or through pipelines;
the positive pressure liquid level display tube negative pressure liquid level display tube is used for showing respectively the positive pressure cavity the liquid height in the negative pressure cavity.
7. The integrated positive-negative pressure protector according to claim 6, wherein the top of the positive pressure liquid level display tube and the top of the negative pressure liquid level display tube are respectively provided with an opening, and the openings are used for respectively supplementing liquid into the positive pressure chamber or the negative pressure chamber from the openings when sealing liquid is insufficient.
8. The integrated positive and negative pressure protector of claim 7, wherein the positive and negative pressure reactor further comprises two valves;
the two valves are respectively connected with the liquid in the positive pressure cavity and the liquid in the negative pressure cavity through pipelines;
the valve is used for discharging liquid in the positive pressure chamber or the negative pressure chamber.
9. The integrated positive and negative pressure protector of claim 8, wherein the valve is a manual ball valve.
10. The integrated positive and negative pressure protector of claim 2, wherein the positive and negative pressure protector further comprises a backup tube;
one end of the standby pipe can be connected with equipment to be protected, and the other end of the standby pipe is connected with a connecting port on the side wall of the cylinder body; a connecting port on the side wall of the cylinder body is arranged between the positive pressure chamber and the negative pressure chamber;
the backup tube is used when the intake tube fails.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921500679.5U CN211450345U (en) | 2019-09-10 | 2019-09-10 | Integrated positive and negative pressure protector |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921500679.5U CN211450345U (en) | 2019-09-10 | 2019-09-10 | Integrated positive and negative pressure protector |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211450345U true CN211450345U (en) | 2020-09-08 |
Family
ID=72297595
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921500679.5U Active CN211450345U (en) | 2019-09-10 | 2019-09-10 | Integrated positive and negative pressure protector |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211450345U (en) |
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2019
- 2019-09-10 CN CN201921500679.5U patent/CN211450345U/en active Active
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