CN208686974U - Integral type multi-step pressure reduction attemperator - Google Patents
Integral type multi-step pressure reduction attemperator Download PDFInfo
- Publication number
- CN208686974U CN208686974U CN201821378683.4U CN201821378683U CN208686974U CN 208686974 U CN208686974 U CN 208686974U CN 201821378683 U CN201821378683 U CN 201821378683U CN 208686974 U CN208686974 U CN 208686974U
- Authority
- CN
- China
- Prior art keywords
- valve body
- integral type
- attemperator
- pressure reduction
- valve
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Landscapes
- Details Of Valves (AREA)
Abstract
The utility model belongs to attemperator technical field, is related to a kind of integral type multi-step pressure reduction attemperator, including upper valve body, the upper valve body lower end mating connection lower valve body, and the lower end of lower valve body connects nozzle sleeve, nozzle is arranged on nozzle sleeve；Executing agency is arranged in the upper end connecting bracket of upper valve body, pedestal upper end face；Valve rod is arranged through lower valve body, upper valve body, and valve rod upper end is mutually interlocked with executing agency, the upper side integrally connected desuperheating water flange of upper valve body, valve seat is arranged in the lower section that upper valve intracoelomic cavity corresponds to desuperheating water flange input end, the spool being arranged on valve rod is matched with valve seat, and upper valve intracoelomic cavity, which corresponds to below valve seat, sets gradually sleeve, compensating cylinder；Sealing group is arranged in stem bottom.The attemperator is can be reduced to sealing surface when working the case where washing away while trim concussion being avoided to destroy valve rod.
Description
Technical field
The utility model belongs to attemperator technical field, is related to a kind of integral type multi-step pressure reduction attemperator.
Background technique
Superheated steam is the essential material such as modern industry cogeneration of heat and power, chemical industry, electric power.Different device, equipment pair
The temperature of superheated steam has different demands, the superheated steam that upstream provides can be dropped to temperature set by user by the present apparatus.
But the excessive cavitation for easily causing desuperheating water of the pressure difference of desuperheating water and superheated steam and flash distillation situation in actual use, meeting
To attemperator trim sealing surface cause it is irreversible wash away, cause interior leakage.The desuperheating water of High Pressure Difference also be easy to cause valve simultaneously
The concussion of bar makes its valve body inner seal liner that abnormal sound, damage occur, eventually leads to attemperator regulation performance, sealing effect and longevity
Life is greatly reduced.
Generally a high-pressure-difference pressure reducing valve can first be arranged using inlet for the operating condition of High Pressure Difference desuperheating water at present first to subtract
Pressure, enters back into attemperator desuperheat, not only increases user's buying, maintenance cost, and in the degree of regulation of temperature and sensitivity phase
Than integral type attemperator, there are biggish gaps, are not able to satisfy the requirement of onsite user.
Summary of the invention
The utility model is in view of the above-mentioned problems, provide a kind of integral type multi-step pressure reduction attemperator, energy when which works
It reduces to sealing surface the case where washing away while trim concussion being avoided to destroy valve rod.
According to the technical solution of the utility model includes: a kind of integral type multi-step pressure reduction attemperator, it is characterised in that: including upper valve
Body, the upper valve body lower end mating connection lower valve body, the lower end of lower valve body connect nozzle sleeve, nozzle are arranged on nozzle sleeve；
Executing agency is arranged in the upper end connecting bracket of upper valve body, pedestal upper end face；Valve rod is arranged through lower valve body, upper valve body, and valve rod
Upper end is mutually interlocked with executing agency, the upper side integrally connected desuperheating water flange of upper valve body, and upper valve intracoelomic cavity corresponds to desuperheat
Valve seat is arranged in the lower section of water law orchid input end, and the spool being arranged on valve rod is matched with valve seat, and upper valve intracoelomic cavity corresponds to valve seat
Lower section set gradually sleeve, compensating cylinder；Sealing group is arranged in stem bottom.
The nozzle sleeve is connect by connection ring with lower valve body as a further improvement of the utility model,.
Filler is arranged in the body of rod surface that valve rod stretches out upper valve body top surface as a further improvement of the utility model,.
As a further improvement of the utility model, the sealing group include the upper graphite annulus being sequentially arranged from top to bottom,
Open metal sealing ring, lower graphite annulus.
The connecting cavity of lower valve body upper end boss structure and upper valve body lower end as a further improvement of the utility model,
Body is cooperatively connected, and is fastened by bolts.
The sleeve uses open grain structure or multistage gasket overlaying structure as a further improvement of the utility model,
Revolution runner is equipped on every grade of chip.
The executing agency is air bladder as a further improvement of the utility model,.
The lower part of the compensating cylinder is equipped with the through-hole being arranged radially as a further improvement of the utility model,.
The utility model has the technical effect that the utility model relates to a kind of integral type multi-step pressure reduction attemperator,
It is directed to the operating condition that desuperheating water needs to stablize superheated steam simultaneously desuperheat again by attemperator there are the case where cavitation and flash distillation
Aim to solve the problem that such medium to attemperator sealing surface wash away and trim concussion destroy valve rod the case where.The utility model benefit
The design be inverted, set in spool with valve seat, sleeve, at work, sleeve preferentially depressurizes High Pressure Difference desuperheating water, subtracts to reduce
Warm water pressure, the case where eliminating cavitation and flash.Seal assembly uses fabricated structure, stablizes spool by open metal sealing ring
Prevent spool concussion, graphite grazing guarantees the using effect and sealing effect to attemperator.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram of sealing group in the utility model.
Specific embodiment
Specific embodiment of the present utility model is further described with reference to the accompanying drawing.
Fig. 1, in 2, including bracket 1, upper valve body 2, filler 3, desuperheating water flange 4, valve seat 5, sleeve 6, compensating cylinder 7, spool
8, valve rod 9, lower valve body 10, connection ring 11, nozzle 12, sealing group 13, upper graphite annulus 13-1, open metal sealing ring 13-2, under
Graphite annulus 13-3, nozzle sleeve 14, executing agency 15 etc..
As shown in Figure 1, 2, the utility model is a kind of integral type multi-step pressure reduction attemperator, including upper valve body 2, the upper valve
2 lower end mating connection lower valve body 10 of body, the lower end of lower valve body 10 connect nozzle sleeve 14, nozzle 12 are arranged on nozzle sleeve 14；
Executing agency 15 is arranged in the upper end connecting bracket 1 of upper valve body 2,1 upper surface of bracket；Valve rod 9 is set through lower valve body 10, upper valve body 2
It sets, and 9 upper end of valve rod is interlocked with 15 phase of executing agency, the upper side integrally connected desuperheating water flange 4 of upper valve body 2, upper valve body 2
Valve seat 5 is arranged in the lower section that inner cavity corresponds to 4 input end of desuperheating water flange, and the spool 8 being arranged on valve rod 9 is matched with valve seat 5, on
The lower section that 2 inner cavity of valve body corresponds to valve seat 5 sets gradually sleeve 6, compensating cylinder 7；Sealing group 13, compensating cylinder 7 is arranged in 9 bottom of valve rod
Lower part be equipped with the through-hole that is arranged radially.
Nozzle sleeve 14 is connect by connection ring 11 with lower valve body 10.
Filler 3 is arranged in the body of rod surface that valve rod 9 stretches out 2 top surface of upper valve body.
Sealing group 13 includes upper graphite annulus 13-1, the open metal sealing ring 13-2, lower graphite being sequentially arranged from top to bottom
Ring 13-3.
The connection cavity of 10 upper end boss structure of lower valve body and 2 lower end of upper valve body is cooperatively connected, and is fastened by bolts.
Sleeve 6 uses open grain structure or multistage gasket overlaying structure, is equipped with revolution runner on every grade of chip.
Executing agency 15 is air bladder.
The working principle of the utility model is as follows: with 9 downlink of ovable valve stem, realization spool 8 is de- with valve seat 5 for executing agency 15
It opens, forms access, High Pressure Difference desuperheating water is first depressurized by desuperheating water flange 4 into sleeve 6, guarantees that desuperheating water flows through 5 He of valve seat
Spool 8 does not generate the case where cavitation and flash distillation, and the desuperheating water after decompression passes through compensating cylinder 7 again and flows back into valve rod 9 and lower valve body 10
Between, it is realized particular by the radial through-hole of 7 lower part of compensating cylinder setting, nozzle is controlled by the sealing group 13 of 9 bottom of valve rod
12 unlatching, to control the flow of desuperheating water.The soft seal that sealing group 13 passes through upper graphite flake 13-1 and lower graphite flake 13-3
It realizes and preferable sealing is realized in the hard sealing of open metal sealing ring 13-2, wherein open metal sealing ring 13-2 uses two panels
Butted structure has outside elasticity in use after the mutual pairing of two chip architectures, realize the outer effect supportted, sealing effect
Fruit is preferable.
Above-described embodiment its show that a kind of integral type multi-step pressure reduction attemperator is directed to desuperheating water and deposits by attemperator
The operating condition for stablizing desuperheat to superheated steam is needed to aim to solve the problem that such medium to attemperator again simultaneously in the case where cavitation and flash distillation
Sealing surface wash away and trim concussion destroy valve rod the case where.The utility model shows to be produced using the utility model
A kind of similar device to realize the purpose of this utility model and feature.The utility model be embodied in using valve seat, sleeve be inverted,
Meter is installed in spool, sleeve preferentially depressurizes High Pressure Difference desuperheating water, thus the case where reducing desuperheat hydraulic pressure, eliminate cavitation and flash distillation
Integral type resolving ideas, main body be can desuperheating water High Pressure Difference to sealing surface of seat without washing away and high pressure operating condition
Spool does not shake the service life for guaranteeing attemperator, and above-mentioned implementation is only a specific manifestation of the utility model, without answering
It is considered as the description limitation for receiving embodiment.Since those skilled in the art can be by carrying out many letters based on the utility model
Single modification and variation, thus the utility model by unlimited system specific to structure, operation and description, it is similar suitably modified or wait
Jljl is within the scope of the appended claims.
Claims (8)
1. a kind of integral type multi-step pressure reduction attemperator, it is characterised in that: including upper valve body (2), upper valve body (2) the lower end cooperation
It connects lower valve body (10), the lower end of lower valve body (10) connects nozzle sleeve (14), and nozzle (12) are arranged on nozzle sleeve (14)；On
Executing agency (15) are arranged in the upper end connecting bracket (1) of valve body (2), bracket (1) upper surface；Valve rod (9) through lower valve body (10),
Upper valve body (2) setting, and valve rod (9) upper end and executing agency (15) Xiang Liandong, the upper side integrally connected of upper valve body (2) subtract
Warm water flange (4), valve seat (5) are arranged in the lower section that upper valve body (2) inner cavity corresponds to desuperheating water flange (4) input end, on valve rod (9)
The spool (8) of setting is matched with valve seat (5), upper valve body (2) inner cavity correspond to valve seat (5) below set gradually sleeve (6),
Compensating cylinder (7)；Sealing group (13) are arranged in valve rod (9) bottom.
2. integral type multi-step pressure reduction attemperator as described in claim 1, it is characterised in that: the nozzle sleeve (14) passes through company
Ring (11) is connect to connect with lower valve body (10).
3. integral type multi-step pressure reduction attemperator as described in claim 1, it is characterised in that: valve rod (9) stretches out upper valve body (2) top
Filler (3) are arranged in the body of rod surface on portion surface.
4. integral type multi-step pressure reduction attemperator as described in claim 1, it is characterised in that: the sealing group (13) includes by upper
Upper graphite annulus (13-1), open metal sealing ring (13-2), the lower graphite annulus (13-3) being sequentially arranged down.
5. integral type multi-step pressure reduction attemperator as described in claim 1, it is characterised in that: lower valve body (10) upper end boss
Structure and the connection cavity of upper valve body (2) lower end are cooperatively connected, and are fastened by bolts.
6. integral type multi-step pressure reduction attemperator as described in claim 1, it is characterised in that: the sleeve (6) uses porous type
Structure or multistage gasket overlaying structure are equipped with revolution runner on every grade of chip.
7. integral type multi-step pressure reduction attemperator as described in claim 1, it is characterised in that: the executing agency (15) is pneumatic
Film.
8. integral type multi-step pressure reduction attemperator as described in claim 1, it is characterised in that: the lower part of the compensating cylinder (7) is set
There is the through-hole being arranged radially.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821378683.4U CN208686974U (en) | 2018-08-24 | 2018-08-24 | Integral type multi-step pressure reduction attemperator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821378683.4U CN208686974U (en) | 2018-08-24 | 2018-08-24 | Integral type multi-step pressure reduction attemperator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208686974U true CN208686974U (en) | 2019-04-02 |
Family
ID=65886749
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821378683.4U Active CN208686974U (en) | 2018-08-24 | 2018-08-24 | Integral type multi-step pressure reduction attemperator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208686974U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108708978A (en) * | 2018-08-24 | 2018-10-26 | 无锡卓尔阀业有限公司 | Integral type multi-step pressure reduction attemperator |
-
2018
- 2018-08-24 CN CN201821378683.4U patent/CN208686974U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108708978A (en) * | 2018-08-24 | 2018-10-26 | 无锡卓尔阀业有限公司 | Integral type multi-step pressure reduction attemperator |
| CN108708978B (en) * | 2018-08-24 | 2023-10-13 | 无锡卓尔阀业有限公司 | Integrated multi-stage pressure reducing and temperature reducing device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20160265688A1 (en) | Ultra-high temperature rigidity seal ball valve | |
| CN103939624A (en) | Reducing valve | |
| CN208686974U (en) | Integral type multi-step pressure reduction attemperator | |
| CN205859420U (en) | High Temperature High Pressure flange under a kind of condition of supercritical water seals structure | |
| CN101737506B (en) | Single-seat adjusting valve | |
| US2112738A (en) | Elastic fluid turbine | |
| CN206036256U (en) | Poor steam atmospheric valve of guide's formula high temperature high pressure | |
| CN201779292U (en) | Labyrinth pneumatic regulating valve | |
| CN108708978A (en) | Integral type multi-step pressure reduction attemperator | |
| CN204922117U (en) | Pressure regulating of high pressure collection liquid type, overflow, relief valve | |
| CN209705339U (en) | High temperature resistant type four way ball valve | |
| CN204828912U (en) | Valve packing structure | |
| CN201788067U (en) | Pressure test head of hydraulic press | |
| CN208565596U (en) | A kind of antiscour compound seal formula drain valve | |
| CN203857053U (en) | Pressure reducing valve | |
| CN202017775U (en) | Triple eccentric metal seal butterfly valve | |
| CN206257324U (en) | A kind of valve for pressure difference | |
| CN203230988U (en) | Sealing structure of lining polyurethane pipe | |
| CN202971376U (en) | Oil distributing valve for novel ultra-high pressure radial piston pump | |
| CN202674810U (en) | High-pressure steam drain valve | |
| CN207026902U (en) | A kind of closed loop press-loading apparatus | |
| CN206890097U (en) | A kind of coal gas drainer | |
| CN203796975U (en) | Spray water adjusting valve of reheater | |
| CN216923205U (en) | Plugging device for hydrostatic test and steam turbine high-pressure main valve with same | |
| CN105508611A (en) | Stuffing sealing structure and plunger pump with same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |