CN210069812U - Heat recovery type steam engine - Google Patents

Abstract

The utility model belongs to the technical field of heat recovery, refer in particular to a steam engine heat reclamation device. The utility model provides a heat recovery formula steam engine, including the steam engine disk body, be equipped with on the steam engine disk body and evaporate the cabinet, it is equipped with the cabinet inner bag to evaporate in the cabinet, it is equipped with the main gas box of installing in steam engine disk body top to evaporate cabinet inner bag one side, be equipped with the intake pipe between main gas box and the cabinet inner bag, intake pipe intercommunication main gas box and the cabinet inner bag that evaporates, it is equipped with the overfire gas box to evaporate cabinet inner bag one side, overfire gas box one side is equipped with the heat recovery water tank, the heat recovery water tank includes the water tank shell and retrieves the inner bag, be equipped with between water tank shell and the recovery inner bag and wait to heat the reservoir, the reservoir below is equipped. The water in the water storage chamber in the heat recovery water tank is heated by utilizing the heat of the redundant steam, so that the water can be reasonably recycled, and the cost is saved.

Description

Heat recovery type steam engine

Technical Field

The utility model belongs to the technical field of heat recovery, refer in particular to a steam engine heat reclamation device.

Background

At present, the boiler investment cost of fuel boiler steam is high in hotels and boilers; steam in the traditional steam engine often emerges, and the steam making quantity is also large each time, so that the steam engine is inconvenient to use flexibly, is easy to cause waste and cannot be reasonably utilized.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a stable in structure, energy-conserving carbon reduction, heat recovery formula steam engine that can rationally cyclic utilization.

The purpose of the utility model is realized like this: the utility model provides a heat recovery formula steam engine, including the steam engine disk body, be equipped with on the steam engine disk body and evaporate the cabinet, it is equipped with in the cabinet to evaporate the cabinet inner bag to evaporate, it is equipped with the main gas box of installing in steam engine disk body top to evaporate cabinet inner bag one side, be equipped with the intake pipe between main gas box and the cabinet inner bag that evaporates, intake pipe intercommunication main gas box and the cabinet inner bag that evaporates, it is equipped with the heat recovery water tank to evaporate cabinet inner bag one side, the heat recovery water tank includes water tank shell and recovery inner bag, be equipped with the reservoir chamber of waiting to heat between water tank shell and the recovery inner bag, the reservoir chamber below.

Preferably, a ball valve for controlling the steam inlet amount is arranged on the main gas box, a steam switch is arranged on one side of the ball valve, and the steam switch controls the steam circulation through the ball valve.

Preferably, main gas box and heat recovery water tank upper end are equipped with steam relief valve respectively, and steam relief valve includes the valve body, valve rod and elastic component, has the pressure release passageway in the valve body, and pressure release passageway's air inlet is located the valve body bottom, is equipped with the exhaust hole with the pressure release passageway intercommunication on the valve body, and the pressure release passageway lateral wall is equipped with the sealed platform that is located between air inlet and the exhaust hole, and the valve rod lower extreme is equipped with sealed dish, and sealed dish is located the pressure release passageway, valve body and valve rod sliding fit, the valve body is connected to elastic component one end.

Preferably, the elastic element is a helical spring which is sleeved on the valve rod and is connected with the valve body and the valve rod in a free fit mode.

Preferably, the upper portion of valve body still is equipped with the valve gap, and the valve gap passes through threaded connection mode and is connected with the valve body, valve rod and valve gap centre bore sliding fit.

Preferably, the threaded connection mode of valve gap and valve body is that the external screw thread is established at the valve gap lateral surface, and the internal thread is established at the pressure release passageway upper segment.

Preferably, a sealing rubber gasket is fixedly connected to the lower end face of the sealing disc.

Preferably, a sealing rubber ring is fixedly connected to the sealing table.

Preferably, the seal rubber ring comprises a seal rubber ring body, annular grooves are respectively arranged on the inner annular surface and the outer annular surface of the seal rubber ring body, an inner outer lip edge and an inner lip edge are formed at two sides of the annular groove on the inner annular surface, the inner wall and the outer wall of the inner outer lip edge are both outwards inclined relative to the axis of the seal rubber ring body, the inner wall and the outer wall of the inner side outer lip edge are intersected, the inner wall and the outer wall of the inner side inner lip edge are both inclined inwards relative to the axis of the sealing rubber ring body, and the inner wall and the outer wall of the inner lip edge are intersected, the outer lip edge and the outer lip edge are formed on two sides of the annular groove positioned on the outer annular surface, the inner wall and the outer wall of the outer lip edge are cylindrical surfaces which are coaxial with the axis of the sealing rubber ring body, the inner wall and the outer wall of the outer lip edge are both inclined inwards relative to the axis of the sealing rubber ring body, and the inner wall and the outer wall of the outer lip edge are intersected.

Preferably, the axial end of the outer inner lip exceeds the axial end of the outer lip.

Compared with the prior art, the utility model outstanding and profitable technological effect is: the water in the water storage chamber in the heat recovery water tank is heated by utilizing the heat of the redundant steam, so that the water can be reasonably recycled, and the cost is saved.

Drawings

FIG. 1 is a schematic view of the present invention;

FIG. 2 is a side diagrammatic view of the present invention;

fig. 3 is one of the connection schematic diagrams of the present invention;

fig. 4 is a second schematic connection diagram of the present invention;

fig. 5 is a schematic structural view of the sealing rubber ring of the present invention;

fig. 6 is one of the cross-sectional views of the steam relief valve of the present invention;

fig. 7 is a second cross-sectional view of the steam relief valve of the present invention.

In the figure: 1-a valve body; 2-a valve stem; 3-an elastic member; 4-a pressure relief channel; 5-air exhaust hole; 6.1-sealing the rubber mat; 6.2-sealing rubber ring; 7-valve cover; 8-sealing disc; 10-a sealing table; 11-an air inlet; 12-steam pressure relief valves; 13-an overflow pipe; 14-heat recovery pipes; 21-a steamer tray body; 22-steaming the cabinet; 23-steaming cabinet inner container; 24-a main gas box; 25-an air inlet pipe; 26-an air overflow box; 27-a heat recovery water tank; 28-tank housing; 29-recycling the inner container; 30-a water storage chamber; 31-relief valve; 32-ball valves; 33-steam switch; 35-a blowdown valve; 36-upper disc body housing; 37-a handle; 38-air overflow hole; 39-air inlet holes; a sealing rubber ring body; 42-inboard outer lip edge; 43-inboard inside lip edge; 44-an outboard outer lip edge; 45-outer inside lip edge.

Detailed Description

The invention will be further described with reference to specific embodiments.

The working principle of how the steam engine generates steam can refer to a full-automatic gas fast steam engine with a patent number CN2018207236254, and how the steam engine generates steam is the prior art, so the description is omitted.

How the overflow box realizes the process of converting original steam into redundant steam and enabling the redundant steam to enter the overflow box through the overflow hole and enable the redundant steam to enter the heat recovery water tank through the heat recovery pipe can refer to energy-saving, environment-friendly and convenient automatic cooking equipment with the patent number of CN2017209153961, wherein the energy-saving, environment-friendly and convenient automatic cooking equipment comprises a cooking and selling integrated table, a steam engine, a steamer tray base pool, a steamer tray body, a grate, a steamer tray cover, a steam recovery conversion box and an oil-water separator; the steaming and selling integrated table is characterized in that the upper end of a table main body frame is welded with food-grade stainless steel hollow pipes all around, a plurality of steamer tray frames are arranged on a cage tray body, a drawer is arranged on the drawer tray base pool at the upper ends of two sides of the table main body frame, air supply type steamer trays, grates and steamer tray covers are overlapped and then located on the pipeline with steam emitting holes, steam output by a steam engine is connected with the pipeline with the steam emitting holes through a steam conveying pipeline to steam food in the steamer trays, redundant steam is collected by a steam recovery conversion box from the steamer tray covers and is conveyed to the steamer tray base pool through the steam recovery pipeline, a steam recovery pipeline inlet hole is formed in the steamer tray base pool, drain holes are formed in the lower end of the steamer tray base pool, oil water and residues generated by steaming food, and water condensed by steam and used for cleaning the steamer tray are discharged to an oil-water separator through the drain holes.

Therefore, how to realize the working principle of converting the original steam into the redundant steam by the gas overflow box is the prior art, and is not described in detail.

When the steam box works, the steam flows in the steam box and flows out from the overflow hole 38 to enter the overflow box 26.

The first embodiment is as follows: as shown in fig. 1-7, a heat recovery steam engine comprises a steam engine tray 21, a drain valve 35 is arranged at the lower part of the steam engine tray 21, the drain valve 35 is connected with a steam chamber, in order to ensure the quality of the discharged steam and the service life of the product, scale generated in the steam chamber is removed, the drain valve 35 can be opened to discharge the sewage; the upper steam cabinet is characterized in that an upper steam cabinet shell 36 is arranged on the steam cabinet body 21, three layers of steam cabinets 22 are arranged in the upper steam cabinet shell 36, a handle 37 is arranged on each layer of steam cabinet 22, the steam cabinet 22 is opened through the handle 37, a steam cabinet inner container 23 is arranged in each steam cabinet 22, a main gas box 24 arranged above the steam cabinet body 21 is arranged on one side of each steam cabinet inner container 23, an air inlet pipe 25 is arranged between each main gas box 24 and each steam cabinet inner container 23, the air inlet pipe 25 is communicated with the main gas box 24 and the steam cabinet inner container 23, a ball valve 32 is connected to one side of each air inlet pipe 25, a steam switch 33 is arranged on one side of each ball valve 32, and the steam switch 33.

An overflow box 26 is arranged on one side of the inner container 23 of the steam cabinet, the overflow box 26 is communicated with the steam cabinet through an overflow pipe 13, the overflow box 26 is communicated with the heat recovery water tank 27 through a heat recovery pipe 14, a heat recovery water tank 27 is arranged on one side of the overflow box 26, the heat recovery water tank 27 comprises an overflow valve 31, a water tank shell 28 and a recovery inner container 29, a water storage chamber 30 for storing a liquid to be heated is arranged between the water tank shell 28 and the recovery inner container 29, and the overflow valve 31 is communicated with the heat recovery water tank 27.

Steam enters the main air box 24 after being generated by the steam engine, at the moment, a steam switch 33 enables the steam to enter an air inlet 39 of the inner container 23 of the steam cabinet through an air inlet pipe 25 by opening a ball valve 32, so as to be heated, an overflow hole 38 is arranged on the inner container 23 of the steam cabinet, the inner container 23 of the steam cabinet is divided into three layers which are designed according to the quantity of cooked food and the number of grids of food steamer, a drawer cover is arranged on each layer, redundant steam is diffused from the drawer cover of the inner container 23 of the steam cabinet to enter the overflow box 26 connected with the inner container 23 of the steam cabinet when the food is cooked, redundant steam in the inner container 23 of the steam cabinet enters the overflow box 26 through the overflow pipe 13, a heat recovery water tank 27 is arranged on one side of the steam cabinet, the redundant steam enters the inner container of the heat recovery water tank 27 through the overflow box 26, a water storage chamber 30 to be heated is arranged between the water tank shell 28 of the heat recovery water tank 27 and the recovery, at this time, the water in the water storage chamber 30 is heated by the heat of the steam; and secondly, the steam in the inner container is condensed and then is changed into liquid from gas, and flows out from the overflow port for recycling, so that the redundant discharged steam and the heat of the steam can be reasonably utilized, and waste is avoided.

Preferably, as shown in fig. 6, main gas box 24 and heat recovery water tank 27 upper end are equipped with steam relief valve 12 respectively, steam relief valve 12 includes valve body 1, valve rod 2 and elastic component 3, there is pressure release channel 4 in the valve body 1, pressure release channel 4's air inlet 11 is located 1 bottom of valve body, be equipped with the exhaust hole 5 with pressure release channel 4 intercommunication on the valve body 1, pressure release channel 4 lateral wall is equipped with the sealed platform 10 that is located between air inlet 11 and the exhaust hole 5, valve rod 2 lower extreme is equipped with sealed dish 8, sealed dish 8 is located pressure release channel 4, valve body 1 and valve rod 2 sliding fit, valve body 1 is connected to elastic component 3 one end, valve rod 2 is connected to the other end.

The elastic part 3 can be a spiral spring, the spiral spring can be sleeved on the valve rod 2, other spring forms can also be adopted, and the spring 3 can be connected with the valve body 1 and the valve rod 2 in a free matching mode.

Due to the adoption of the sealing mode under the action of the spring, the pressure relief valve automatically recovers to the normal state after pressure relief, so that a water seal device or other containers provided with the pressure relief valve can continuously work, the use is facilitated, and the working efficiency is improved.

The upper portion of the valve body 1 can also be provided with a valve cover 7, the valve cover 7 is connected with other portions of the valve body in a threaded connection mode, and the valve rod 2 is in sliding fit with a central hole of the valve cover 7. By adjusting the screwing position of the valve cover 7, the tension degree of the spring 3 can be adjusted, and further, the pressure resistance value (namely the magnitude of the pressure relief pressure) of the pressure relief valve can be adjusted.

The valve cover 7 is in threaded connection with other parts of the valve body 1 in a mode that external threads are arranged on the outer side surface of the valve cover 7, and internal threads are arranged on the upper section of the pressure relief channel 4.

A sealing rubber gasket or rubber ring can be arranged between the lower end surface of the sealing plate 8 and the sealing platform 10. In the first embodiment shown in fig. 1, a sealing rubber pad 6.1 is fixedly connected to the lower end surface of the sealing plate 8, and the sealing rubber pad 6.1 can improve the sealing effect between the sealing plate 8 and the sealing table 10 under normal conditions.

The sealing table 10 is fixedly connected with a sealing rubber ring 6.2, an annular groove can be formed in the side wall of the pressure relief channel 4, the sealing ring 6 is embedded into the annular groove to fix the sealing ring 6, and the sealing ring 6.2 can improve the sealing effect between the sealing disc 8 and the sealing table 10 under a normal state.

As shown in fig. 5, the seal rubber ring 6.2 includes a seal rubber ring body 41, the seal rubber ring body 41 is provided with annular grooves on the inner annular surface and the outer annular surface, an inner outer lip 42 and an inner lip 43 are formed on two sides of the annular groove on the inner annular surface, the inner wall and the outer wall of the inner outer lip 42 are both inclined outwards relative to the axis of the seal rubber ring body 41, the inner wall and the outer wall of the inner outer lip 42 are intersected, the inner wall and the outer wall of the inner lip 43 are both inclined inwards relative to the axis of the seal rubber ring body 41, the inner wall and the outer wall of the inner lip 43 are intersected, the outer lip 44 and the outer inner lip 45 are formed on two sides of the annular groove on the outer annular surface, the inner wall and the outer wall of the outer lip 44 are both cylindrical surfaces coaxial with the axis of the seal rubber ring body 41, the inner wall and the outer wall of the outer lip 45 are both inclined inwards relative to the axis of the seal rubber ring body 41, the inner and outer walls of the outer inner lip 45 intersect, with the axial ends of the outer inner lip 45 extending beyond the axial ends of the outer lip 44.

An inner side outer lip edge 42 and an inner side inner lip edge 43 designed by the sealing rubber ring 6.2 are clamped in a sealing ring mounting groove, the outer side outer lip edge 44 and the outer side inner lip edge 45 form double sealing in a gap of an inner door and an outer door, a buffer area is arranged between the inner side outer lip edge 42 and the inner side inner lip edge 43, and the outer side outer lip edge 44 is cylindrical in section and the outer side inner lip edge 45 is wedge-shaped, so that the outer side inner lip edge 45 is thinner than the outer side outer lip edge 44 and has high elasticity; and preferably the axial end of the outer inner lip 45 exceeds the axial end of the outer lip 44, the outer inner lip 45 is touched first during pressure relief, and no noise is generated.

When the pressure in the steam cabinet inner container 23 gradually rises, the sealing rubber ring body 41 is pushed outwards through the pressure in the hole cabin body, the inner side outer lip edge 42 and the inner side inner lip edge 43 become tight, and a good sealing effect is ensured.

The working principle is that the steam engine generates steam, when the steam box works, the steam flows in the steam box, the gas is circulated to ensure the temperature in the steam box, the steam enters the main gas box 24 from a steam inlet, at the moment, the steam switch 33 above the steam box can control the ball valve 32 to control the entering amount of the steam, the main gas box 24 enters the air inlet 39 through the air inlet pipe, the steam enters the steam box through the air inlet 39, meanwhile, redundant steam in the inner container 23 of the steam box flows out from the air overflow hole 38, the steam enters the air overflow box 26 through the overflow pipe 13, the redundant steam can enter the inner container of the heat recovery water tank 27 through the heat recovery pipe 14, at the moment, the heat generated by the redundant steam can heat the water in the heat recovery water tank 27, the heat recovery effect is achieved, and the steam is condensed in the inner container and then turns into water to flow out from the overflow port.

The above-mentioned embodiment is only the preferred embodiment of the present invention, and does not limit the protection scope of the present invention according to this, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (10)

1. The utility model provides a heat recovery formula steam engine, includes steam engine disk body (21), is equipped with on steam engine disk body (21) and evaporates cabinet (22), is equipped with in evaporating cabinet (22) and evaporates cabinet inner bag (23), its characterized in that: evaporate cabinet inner bag (23) one side and be equipped with main gas box (24) of installing in steam engine disk body (21) top, be equipped with intake pipe (25) between main gas box (24) and the cabinet inner bag (23) of evaporating, intake pipe (25) intercommunication main gas box (24) and evaporate cabinet inner bag (23), it is equipped with heat recovery water tank (27) to evaporate cabinet inner bag (23) one side, heat recovery water tank (27) include water tank shell (28) and retrieve inner bag (29), be equipped with between water tank shell (28) and retrieve inner bag (29) and be used for storing reservoir chamber (30) of treating the heated liquid, reservoir chamber (30) below is equipped with overflow valve (31), overflow valve (31) intercommunication heat recovery water tank (27).

2. A heat recovery steam engine as in claim 1, wherein: the main gas box (24) is provided with a ball valve (32) for controlling the steam inlet amount, one side of the ball valve (32) is provided with a steam switch (33), and the steam switch (33) controls the steam circulation through the ball valve (32).

3. A heat recovery steam engine as in claim 1, wherein: main gas box (24) and heat recovery water tank (27) upper end are equipped with steam relief valve (12) respectively, steam relief valve (12) are including valve body (1), valve rod (2) and elastic component (3), there are pressure release passageway (4) in valve body (1), air inlet (11) of pressure release passageway (4) are located valve body (1) bottom, be equipped with exhaust hole (5) with pressure release passageway (4) intercommunication on valve body (1), pressure release passageway (4) lateral wall is equipped with and is located air inlet (11) and exhaust hole (5) between seal platform (10), valve rod (2) lower extreme is equipped with sealed dish (8), sealed dish (8) are located pressure release passageway (4), valve body (1) and valve rod (2) sliding fit, valve body (1) is connected to elastic component (3) one end, valve rod (2) are connected to the other end.

4. A heat recovery steam engine as in claim 3 wherein: an overflow box (26) is arranged on one side of the steam cabinet inner container (23), an overflow hole (38) is arranged on the steam cabinet inner container (23), an overflow pipe (13) is arranged between the overflow box (26) and the overflow hole (38), and the overflow pipe (13) is communicated with the steam cabinet inner container (23) and the overflow box (26).

5. A heat recovery steam engine as in claim 3 wherein: the upper portion of valve body (1) still is equipped with valve gap (7), and valve gap (7) are connected with valve body (1) through threaded connection mode, valve rod (2) and valve gap (7) centre bore sliding fit.

6. A heat recovery steam engine as in claim 5, wherein: the valve cover (7) is in threaded connection with the valve body (1) in a mode that external threads are arranged on the outer side face of the valve cover (7), and internal threads are arranged on the upper section of the pressure relief channel (4).

7. A heat recovery steam engine as in claim 3 or 4 wherein: and the lower end face of the sealing disc (8) is fixedly connected with a sealing rubber gasket (6.1).

8. A heat recovery steam engine as in claim 3 or 4 wherein: and a sealing rubber ring (6.2) is fixedly connected to the sealing table (10).

9. A heat recovery steam engine as in claim 8, wherein: the sealing rubber ring (6.2) comprises a sealing rubber ring body (41), annular grooves are formed in the inner circular ring surface and the outer circular ring surface of the sealing rubber ring body (41), an inner outer lip edge (42) and an inner lip edge (43) are formed on two sides of the annular groove in the inner circular ring surface, the inner wall and the outer wall of the inner outer lip edge (42) are outwards inclined relative to the axis of the sealing rubber ring body (41), the inner wall and the outer wall of the inner outer lip edge (42) are intersected, the inner wall and the outer wall of the inner lip edge (43) are inwards inclined relative to the axis of the sealing rubber ring body (41), the inner wall and the outer wall of the inner lip edge (43) are intersected, an outer lip edge (44) and an outer inner lip edge (45) are formed on two sides of the annular groove in the outer circular ring surface, and the inner wall and the outer wall of the outer lip edge (44) are cylindrical surfaces which are coaxial with the axis of the sealing rubber ring body (41, the inner wall and the outer wall of the outer inner lip edge (45) are both inclined inwards relative to the axis of the seal rubber ring body (41), and the inner wall and the outer wall of the outer inner lip edge (45) are intersected.

10. A heat recovery steam engine as in claim 9 wherein: the axial end of the outer inner lip (45) exceeds the axial end of the outer lip (44).

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