CN212430422U

CN212430422U - Explosion-proof drain valve

Info

Publication number: CN212430422U
Application number: CN202020787229.5U
Authority: CN
Inventors: 陈永煌; 陈永裁; 项秀莲; 王志欢; 宋冯欢
Original assignee: Beisige Industrial Co ltd
Current assignee: Beisige Industrial Co ltd
Priority date: 2020-05-13
Filing date: 2020-05-13
Publication date: 2021-01-29
Anticipated expiration: 2030-05-13

Abstract

The utility model discloses an explosion-proof trap, concretely relates to trap technical field, which comprises a valve body, valve body one side is equipped with sealing mechanism, sealing mechanism includes the seal box, the inside condensation chamber that is equipped with of valve body, the inside baffle that is equipped with of seal box, baffle one end is equipped with the closing plate, the fixed sealed pad that is equipped with in closing plate outer end. The utility model discloses a set up the seal box, the inside setting of seal box can the pivoted closing plate, when the water yield is great, floats the closing plate through buoyancy, keeps apart drainage channel and exhaust passage and sealed, ensures that water can not leak through the blast pipe in the drainage, and the valve body can not be because of inside water pressure is too big and damage.

Description

Explosion-proof drain valve

Technical Field

The embodiment of the utility model provides a relate to trap technical field, concretely relates to explosion-proof trap.

Background

The drain valve is a valve, also called a steam trap and a drain valve, and is used for discharging condensed water, air and carbon dioxide gas in a steam system as soon as possible and simultaneously automatically preventing steam leakage to the maximum extent.

In the production life, the trap is mainly installed between the firing equipment of steam and the recovery plant of comdenstion water, and general trap is only applicable to the water yield and the velocity of flow of comdenstion water when not fast, when the water yield of comdenstion water is big, the too big or comdenstion water of water pressure by the exhaust hole condition such as leakage can appear in the valve body.

SUMMERY OF THE UTILITY MODEL

Therefore, the embodiment of the utility model provides an explosion-proof trap, through setting up the seal box, the inside closing plate that can rotate that sets up of seal box, when the water yield is great, float the closing plate through buoyancy, keep apart and seal drainage channel and exhaust passage, ensure that water can not leak through the blast pipe in the drainage, the valve body can not be because of inside water pressure too big and damage to solve among the prior art when the water yield of comdenstion water is big the problem that the interior water pressure of valve is too big or the comdenstion water is leaked the condition such as by the exhaust hole can appear.

In order to achieve the above object, the embodiment of the present invention provides the following technical solutions: the explosion-proof drain valve comprises a valve body, wherein a sealing mechanism is arranged on one side of the valve body;

sealing mechanism includes the seal box, the seal box is fixed to be established in valve body one side, the inside condensation chamber that is equipped with of valve body, the condensation chamber both ends respectively with the inside top of valve body and inside bottom fixed connection, condensation chamber one end extends to the valve body bottom, seal box one end extend to the valve body inside and with condensation chamber one side fixed connection, the inside baffle that is equipped with of seal box, baffle outer end and seal box inner wall fixed connection, baffle one end is equipped with the closing plate, the fixed sealed pad that is equipped with in closing plate outer end, the closing plate is through pivot and seal box front and back both sides inner wall swing joint, sealed pad contacts with seal box inner wall and baffle one end.

Further, the inside second drain pipe that is equipped with of condensation chamber, second drain pipe one end extends to valve body one side, the inside condensate pipe that is equipped with of condensation chamber, condensate pipe one end extends to the valve body opposite side.

Furthermore, a buoyancy ball is arranged inside the condensation chamber, a connecting rod is fixedly arranged at the bottom end of the buoyancy ball, and one end of the connecting rod extends into the second drainage pipe.

Furthermore, a sealing plug is arranged in the second drainage pipe, the outer end of the sealing plug is in contact with the inner wall of the second drainage pipe, and the sealing plug is fixedly arranged at one end of the connecting rod.

Furthermore, condensation chamber inside is equipped with two gag lever posts, one of them gag lever post both ends respectively with condensation chamber inside top and inside bottom fixed connection, another gag lever post both ends respectively with second drain pipe outer end and condensation chamber inner wall top fixed connection, two the gag lever post is established respectively in buoyancy ball both sides.

Furthermore, the buoyancy ball both sides all are fixed and are equipped with the limiting plate, the through-hole has been seted up to the limiting plate outer end, two the gag lever post passes through two limiting plates respectively through the through-hole.

Further, a water injection pipe is fixedly arranged at the top end of the valve body, an exhaust pipe is fixedly arranged at the top end of the sealing box, a one-way valve is fixedly arranged at the outer end of the exhaust pipe, a first exhaust pipe is fixedly arranged on one side of the sealing box, and the first exhaust pipe is arranged at the bottom of the partition plate.

Furthermore, a blow-off pipe is fixedly arranged at the bottom end of the condensation chamber, a switch valve is fixedly arranged at the outer end of the blow-off pipe, a valve seat is fixedly arranged at the bottom end of the valve body, and one end of the condensation chamber penetrates through the valve seat.

The embodiment of the utility model provides a have following advantage:

the utility model discloses a set up the seal box, the inside setting of seal box can the pivoted closing plate, when the water yield is great, floats the closing plate through buoyancy, keeps apart drainage channel and exhaust passage and sealed, ensures that water can not leak through the blast pipe in the drainage, and the valve body can not be because of inside water pressure is too big and damage, realizes explosion-proof function, compares with prior art, and when the water yield was great, the comdenstion water can not leaked by the blast pipe.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It should be apparent that the drawings in the following description are merely exemplary, and that other embodiments can be derived from the drawings provided by those of ordinary skill in the art without inventive effort.

The structure, ratio, size and the like shown in the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by people familiar with the technology, and are not used for limiting the limit conditions which can be implemented by the present invention, so that the present invention has no technical essential significance, and any structure modification, ratio relationship change or size adjustment should still fall within the scope which can be covered by the technical content disclosed by the present invention without affecting the efficacy and the achievable purpose of the present invention.

Fig. 1 is a schematic view of the overall structure provided by the present invention;

fig. 2 is a schematic view of a sealing mechanism provided by the present invention;

fig. 3 is a right side view provided by the present invention;

fig. 4 is a top view of the buoyancy ball provided by the present invention;

fig. 5 is a left side view of the sealing plate provided by the present invention;

in the figure: 1 valve body, 2 condensation chambers, 3 sealing plugs, 4 buoyancy balls, 5 water injection pipes, 6 sealing boxes, 7 exhaust pipes, 8 first drain pipes, 9 condensation pipes, 10 connecting rods, 11 limiting rods, 12 second drain pipes, 13 valve seats, 14 blow-off pipes, 15 partition plates, 16 sealing plates, 17 sealing gaskets, 18 limiting plates and 19 through holes.

Detailed Description

The present invention is described in terms of specific embodiments, and other advantages and benefits of the present invention will become apparent to those skilled in the art from the following disclosure. 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.

Referring to the attached fig. 1-5 of the specification, the explosion-proof steam trap of the embodiment comprises a valve body 1, wherein a sealing mechanism is arranged on one side of the valve body 1;

sealing mechanism includes seal box 6, seal box 6 is fixed to be established in 1 one side of valve body, 1 inside condensation chamber 2 that is equipped with of valve body, 2 both ends of condensation chamber respectively with 1 inside top and inside bottom fixed connection of valve body, 2 one ends of condensation chamber extend to 1 bottom of valve body, 6 one end of seal box extend to 1 inside of valve body and with 2 one side fixed connection of condensation chamber, 6 inside baffles 15 that are equipped with of seal box, 15 outer ends of baffles and 6 inner wall fixed connection of seal box, 15 one end of baffle is equipped with closing plate 16, the fixed sealed pad 17 that is equipped with in closing plate 16 outer end, closing plate 16 is through pivot and 6 front and back both sides inner wall swing joint of seal box, sealed pad 17 contacts with 6 inner walls of seal box and 15 one end of baffle.

Further, the inside second drain pipe 12 that is equipped with of condensation chamber 2, second drain pipe 12 one end extends to valve body 1 one side, the inside condensate pipe 9 that is equipped with of condensation chamber 2, condensate pipe 9 one end extends to valve body 1 opposite side, and second drain pipe 12 is used for discharging the comdenstion water.

Further, the inside buoyancy ball 4 that is equipped with of condensation chamber 2, the fixed connecting rod 10 that is equipped with in 4 bottom ends of buoyancy ball, connecting rod 10 one end extends to inside second drain pipe 12 for connect buoyancy ball 4.

Furthermore, a sealing plug 3 is arranged inside the second drain pipe 12, the outer end of the sealing plug 3 is in contact with the inner wall of the second drain pipe 12, and the sealing plug 3 is fixedly arranged at one end of the connecting rod 10 and used for sealing the second drain pipe 12.

Further, 2 inside being equipped with two gag lever posts 11 of condensation chamber, one of them 11 both ends of gag lever post respectively with 2 inside tops of condensation chamber and inside bottom fixed connection, another 11 both ends of gag lever post respectively with 12 outer ends of second drain pipes and 2 inner wall top fixed connection of condensation chamber, two gag lever post 11 is established respectively in 4 both sides of buoyancy ball, gag lever post 11 is used for fixed buoyancy ball 4.

Furthermore, limiting plates 18 are fixedly arranged on two sides of the buoyancy ball 4, through holes 19 are formed in the outer ends of the limiting plates 18, the two limiting rods 11 penetrate through the two limiting plates 18 through the through holes 19 respectively, and the limiting plates 18 ensure that the buoyancy ball 4 does not deviate.

Further, 1 top of valve body is fixed and is equipped with

water injection pipe

5, 6 top of seal box are fixed and are equipped with

blast pipe

7, 7 outer ends of blast pipe are fixed and are equipped with the check valve, 6 one sides of seal box are fixed and are equipped with first drain pipe 8, first drain pipe 8 is established in 15 bottoms of baffle, and water injection pipe 5 is used for making the steam in the condensate to condense to 1 inside water injection of valve body.

Further, 2 bottom mountings of condensation chamber are equipped with blow off pipe 14, the fixed ooff valve that is equipped with in 14 outer ends of blow off pipe, 1 bottom mountings of valve body are equipped with

disk seat

13, 2 one end of condensation chamber run through disk seat 13, and blow off pipe 14 is used for the impurity of discharge aquatic.

The implementation scenario is specifically as follows: cold water is injected into the valve body 1 through the water injection pipe 5, then condensed water is discharged into the condensation chamber 2 through the condensed water pipe 9, part of uncondensed vapor possibly enters the condensation chamber 2 along with the condensed water and condenses under the action of the cold water in the valve body 1, uncondensed gas gathers at the top end inside the condensation chamber 2, the buoyancy ball 4 rises under the action of buoyancy along with the rise of the water level inside the condensation chamber 2 to drive the connecting rod 10 and the limiting rod 11 to rise, when the limiting rod 11 is pulled out from one end of the second drain pipe 12, the condensed water is discharged through the second drain pipe 12, meanwhile, the gas is discharged through the exhaust pipe 7, when a large amount of condensed water is gushed into the condensation chamber 2, the water level inside the condensation chamber 2 sharply rises, the water level spreads to the inside the seal box 6, the seal plate 16 floats under the action of buoyancy, thereby rotating, the discharged water is separated from an exhaust channel, while ensuring the exhaust, the excess water is discharged through the first drain pipe 8 to relieve the water pressure inside the condensation chamber 2, when a large amount of water continuously gushes in the interior of the condensation chamber 2, so that the water pressure in the condensation chamber 2 is too high, the water pressure jacks up the sealing plate 16, the sealing plate 16 seals the top of the partition plate 15 to ensure that the condensed water is not leaked from the exhaust pipe 7, through the arrangement of the sealing box 6, the sealing plate 16 which can rotate is arranged in the sealing box 6, when the amount of water is large, the sealing plate 16 is floated by buoyancy, the drain passage is isolated and sealed from the exhaust passage, ensures that water cannot leak through the exhaust pipe 7 while discharging water, prevents the valve body 1 from being damaged due to overlarge internal water pressure, realizes an explosion-proof function, the embodiment specifically solves the problem that in the prior art, when the water amount of the condensed water is large, the water pressure in the valve body is too high or the condensed water leaks from the exhaust hole.

Although the invention has been described in detail with respect to the general description and the specific embodiments, it will be apparent to those skilled in the art that modifications and improvements can be made based on the invention. Therefore, such modifications and improvements are intended to be within the scope of the invention as claimed.

Claims

1. Explosion-proof trap, including valve body (1), its characterized in that: a sealing mechanism is arranged on one side of the valve body (1);

the sealing mechanism comprises a sealing box (6), the sealing box (6) is fixedly arranged on one side of the valve body (1), a condensing chamber (2) is arranged in the valve body (1), two ends of the condensing chamber (2) are respectively and fixedly connected with the top end and the bottom end in the valve body (1), one end of the condensing chamber (2) extends to the bottom of the valve body (1), one end of the seal box (6) extends to the interior of the valve body (1) and is fixedly connected with one side of the condensing chamber (2), a clapboard (15) is arranged inside the seal box (6), the outer end of the clapboard (15) is fixedly connected with the inner wall of the seal box (6), a sealing plate (16) is arranged at one end of the clapboard (15), a sealing gasket (17) is fixedly arranged at the outer end of the sealing plate (16), the sealing plate (16) is movably connected with the inner walls of the front side and the rear side of the sealing box (6) through a rotating shaft, the sealing gasket (17) is in contact with the inner wall of the sealing box (6) and one end of the partition plate (15).

2. The explosion proof trap as defined in claim 1 wherein: the inside second drain pipe (12) that is equipped with of condensation chamber (2), second drain pipe (12) one end extends to valve body (1) one side, condensation chamber (2) inside is equipped with condenser pipe (9), condenser pipe (9) one end extends to valve body (1) opposite side.

3. The explosion proof trap as defined in claim 2 wherein: the condensation chamber (2) is internally provided with a buoyancy ball (4), the bottom end of the buoyancy ball (4) is fixedly provided with a connecting rod (10), and one end of the connecting rod (10) extends to the interior of the second drain pipe (12).

4. The explosion proof trap as defined in claim 3 wherein: the inner part of the second drain pipe (12) is provided with a sealing plug (3), the outer end of the sealing plug (3) is in contact with the inner wall of the second drain pipe (12), and the sealing plug (3) is fixedly arranged at one end of the connecting rod (10).

5. The explosion proof trap as defined in claim 3 wherein: condensation chamber (2) inside is equipped with two gag lever posts (11), one of them gag lever post (11) both ends respectively with condensation chamber (2) inside top and inside bottom fixed connection, another gag lever post (11) both ends respectively with second drain pipe (12) outer end and condensation chamber (2) inner wall top fixed connection, two gag lever post (11) are established respectively in buoyancy ball (4) both sides.

6. The explosion proof trap as defined in claim 5 wherein: limiting plates (18) are fixedly arranged on two sides of the buoyancy ball (4), through holes (19) are formed in the outer ends of the limiting plates (18), and the two limiting rods (11) penetrate through the two limiting plates (18) through the through holes (19) respectively.

7. The explosion proof trap as defined in claim 1 wherein: the water injection pipe (5) is fixedly arranged on the top end of the valve body (1), the exhaust pipe (7) is fixedly arranged on the top end of the sealing box (6), the check valve is fixedly arranged at the outer end of the exhaust pipe (7), the first water drainage pipe (8) is fixedly arranged on one side of the sealing box (6), and the first water drainage pipe (8) is arranged at the bottom of the partition plate (15).

8. The explosion proof trap as defined in claim 1 wherein: the bottom fixing of condensation chamber (2) is equipped with blow off pipe (14), the fixed ooff valve that is equipped with in blow off pipe (14) outer end, valve body (1) bottom fixing is equipped with disk seat (13), condensation chamber (2) one end runs through disk seat (13).